png.c revision a701bb35fa5f33c41f4053b39e0f4c4c20ec17d4
13ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 23ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 33ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 43ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 53ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PPPP N N GGGG % 73ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P P NN N G % 83ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PPPP N N N G GG % 93ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P N NN G G % 103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P N N GGG % 113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Read/Write Portable Network Graphics Image Format % 143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Software Design % 16de984cdc3631106b1cbbb8d3972b76a0fc27e8e8cristy% Cristy % 173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Glenn Randers-Pehrson % 183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 1997 % 193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 217ce65e7125a4e1df1a274ce373c537a9df9c16cdCristy% Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% dedicated to making software imaging solutions freely available. % 233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% You may not use this file except in compliance with the License. You may % 253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% obtain a copy of the License at % 263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% http://www.imagemagick.org/script/license.php % 283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Unless required by applicable law or agreed to in writing, software % 303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% distributed under the License is distributed on an "AS IS" BASIS, % 313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% See the License for the specific language governing permissions and % 333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% limitations under the License. % 343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Include declarations. 433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/studio.h" 4516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/artifact.h" 4616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/attribute.h" 4716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/blob.h" 4816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/blob-private.h" 4916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/cache.h" 50aa2c16cb5e695053aa78e40f66bc36fbef4b1ed1cristy#include "MagickCore/channel.h" 5116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color.h" 5216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color-private.h" 5316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colormap.h" 5416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace.h" 5516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace-private.h" 5616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/constitute.h" 5716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/enhance.h" 5816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception.h" 5916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception-private.h" 6016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/geometry.h" 6116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/histogram.h" 6216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image.h" 6316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image-private.h" 6416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/layer.h" 6516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/list.h" 6616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/log.h" 6716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/MagickCore.h" 6816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/memory_.h" 6916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/module.h" 7016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor.h" 7116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor-private.h" 7216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/option.h" 7316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel.h" 7416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel-accessor.h" 7516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/profile.h" 7616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/property.h" 7716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 7816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/resource_.h" 7916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/semaphore.h" 8016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 8116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/static.h" 8216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/statistic.h" 8316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string_.h" 8416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string-private.h" 8516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/transform.h" 8616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/utility.h" 873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 88286a6355c4544b794da2b6df973faad07c69e541glennrp 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 907ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 91faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 927ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 937ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 94991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 95faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 96faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 97faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 988371ecc013ff231ce380d8717e517312e62e1f01glennrp/* #define PNG_DEPSTRUCT Access to this struct member is deprecated */ 995b927348e949d94f3a64b055eccb03459f115c69glennrp 1005b927348e949d94f3a64b055eccb03459f115c69glennrp/* PNG_PTR_NORETURN does not work on some platforms, in libpng-1.5.x */ 10175cfe702843fd25dba7cb241c05fa65957c67129cristy#define PNG_PTR_NORETURN 102286a6355c4544b794da2b6df973faad07c69e541glennrp 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "png.h" 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "zlib.h" 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* ImageMagick differences */ 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define first_scene scene 1083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Optional declarations. Define or undefine them as you like. 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* #define PNG_DEBUG -- turning this on breaks VisualC compiling */ 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Features under construction. Define these to work on them. 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_OBJECT_BUFFERS 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_BASI_SUPPORTED 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_COALESCE_LAYERS /* In 5.4.4, this interfered with MMAP'ed files. */ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_INSERT_LAYERS /* Troublesome, but seem to work as of 5.4.4 */ 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1278e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp (((color).red == (target).red) && \ 1288e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).green == (target).green) && \ 1298e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).blue == (target).blue)) 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp/* Table of recognized sRGB ICC profiles */ 133ecab7d7b7fc598881ff3c72240381caa5c444a56glennrpstruct sRGB_info_struct 134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp{ 135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 len; 136ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 crc; 137ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_byte intent; 138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp}; 139ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrpconst struct sRGB_info_struct sRGB_info[] = 1416647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp{ 142c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v2 perceptual sRGB_IEC61966-2-1_black_scaled.icc */ 143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3048, 0x3b8772b9UL, 0}, 144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 145c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v2 relative sRGB_IEC61966-2-1_no_black_scaling.icc */ 146ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3052, 0x427ebb21UL, 1}, 147ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 148c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v4 perceptual sRGB_v4_ICC_preference_displayclass.icc */ 149ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp {60988, 0x306fd8aeUL, 0}, 150ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 151c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v4 perceptual sRGB_v4_ICC_preference.icc perceptual */ 152ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp {60960, 0xbbef7812UL, 0}, 153ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 154c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* HP? sRGB v2 media-relative sRGB_IEC61966-2-1_noBPC.icc */ 155ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3024, 0x5d5129ceUL, 1}, 156ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 157ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* HP-Microsoft sRGB v2 perceptual */ 158ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3144, 0x182ea552UL, 0}, 159ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 160ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* HP-Microsoft sRGB v2 media-relative */ 161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3144, 0xf29e526dUL, 1}, 162ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 163c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* Facebook's "2012/01/25 03:41:57", 524, "TINYsRGB.icc" */ 164c241d3cdc951647513766801b3f1cfc74b773b5eglennrp { 524, 0xd4938c39UL, 0}, 165c241d3cdc951647513766801b3f1cfc74b773b5eglennrp 166c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* "2012/11/28 22:35:21", 3212, "Argyll_sRGB.icm") */ 167c241d3cdc951647513766801b3f1cfc74b773b5eglennrp { 3212, 0x034af5a1UL, 0}, 168c241d3cdc951647513766801b3f1cfc74b773b5eglennrp 169ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* Not recognized */ 170ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 0, 0x00000000UL, 0}, 171ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp}; 172ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 1738e58efdecda887b08ef730d68290a61081ef2566glennrp/* Macros for left-bit-replication to ensure that pixels 17416ea139d53d867211d3bb0fa859a83de653f687ecristy * and PixelInfos all have the same image->depth, and for use 1758e58efdecda887b08ef730d68290a61081ef2566glennrp * in PNG8 quantization. 1768e58efdecda887b08ef730d68290a61081ef2566glennrp */ 1778e58efdecda887b08ef730d68290a61081ef2566glennrp 1788e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR01: Replicate top bit */ 1798e58efdecda887b08ef730d68290a61081ef2566glennrp 18005001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR01PacketRed(pixelpacket) \ 1818e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=(ScaleQuantumToChar((pixelpacket).red) < 0x10 ? \ 1828e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1838e58efdecda887b08ef730d68290a61081ef2566glennrp 18491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketGreen(pixelpacket) \ 1858e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=(ScaleQuantumToChar((pixelpacket).green) < 0x10 ? \ 1868e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1878e58efdecda887b08ef730d68290a61081ef2566glennrp 18891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketBlue(pixelpacket) \ 1898e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=(ScaleQuantumToChar((pixelpacket).blue) < 0x10 ? \ 1908e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1918e58efdecda887b08ef730d68290a61081ef2566glennrp 19216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PacketAlpha(pixelpacket) \ 19316ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=(ScaleQuantumToChar((pixelpacket).alpha) < 0x10 ? \ 1948e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1958e58efdecda887b08ef730d68290a61081ef2566glennrp 19691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGB(pixelpacket) \ 197bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 19805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR01PacketRed((pixelpacket)); \ 19991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketGreen((pixelpacket)); \ 20091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketBlue((pixelpacket)); \ 201bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2028e58efdecda887b08ef730d68290a61081ef2566glennrp 20391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGBO(pixelpacket) \ 204bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 20591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGB((pixelpacket)); \ 20616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PacketAlpha((pixelpacket)); \ 207bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2088e58efdecda887b08ef730d68290a61081ef2566glennrp 209ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR01PixelRed(pixel) \ 210360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelRed(image, \ 211360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelRed(image,(pixel))) < 0x10 ? \ 212c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2138e58efdecda887b08ef730d68290a61081ef2566glennrp 21454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelGreen(pixel) \ 215360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelGreen(image, \ 216360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelGreen(image,(pixel))) < 0x10 ? \ 217c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2188e58efdecda887b08ef730d68290a61081ef2566glennrp 21954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelBlue(pixel) \ 220360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelBlue(image, \ 221360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelBlue(image,(pixel))) < 0x10 ? \ 222c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2238e58efdecda887b08ef730d68290a61081ef2566glennrp 22416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelAlpha(pixel) \ 225360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelAlpha(image, \ 226360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) < 0x10 ? \ 227c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2288e58efdecda887b08ef730d68290a61081ef2566glennrp 22954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelRGB(pixel) \ 230bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 231ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR01PixelRed((pixel)); \ 23254cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelGreen((pixel)); \ 23354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelBlue((pixel)); \ 234bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2358e58efdecda887b08ef730d68290a61081ef2566glennrp 23616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelRGBA(pixel) \ 237bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 23854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelRGB((pixel)); \ 23916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelAlpha((pixel)); \ 240bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2418e58efdecda887b08ef730d68290a61081ef2566glennrp 2428e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR02: Replicate top 2 bits */ 2438e58efdecda887b08ef730d68290a61081ef2566glennrp 24405001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR02PacketRed(pixelpacket) \ 2458e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2468e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xc0; \ 2478e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2488e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2498e58efdecda887b08ef730d68290a61081ef2566glennrp } 25091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketGreen(pixelpacket) \ 2518e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2528e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xc0; \ 2538e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2548e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2558e58efdecda887b08ef730d68290a61081ef2566glennrp } 25691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketBlue(pixelpacket) \ 2578e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2588e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xc0; \ 2598e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 2608e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2618e58efdecda887b08ef730d68290a61081ef2566glennrp } 26216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PacketAlpha(pixelpacket) \ 2638e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 26416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xc0; \ 26516ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum( \ 2668e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2678e58efdecda887b08ef730d68290a61081ef2566glennrp } 2688e58efdecda887b08ef730d68290a61081ef2566glennrp 26991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGB(pixelpacket) \ 270bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 27105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR02PacketRed((pixelpacket)); \ 27291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketGreen((pixelpacket)); \ 27391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue((pixelpacket)); \ 274bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2758e58efdecda887b08ef730d68290a61081ef2566glennrp 27691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGBO(pixelpacket) \ 277bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 27891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGB((pixelpacket)); \ 27916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PacketAlpha((pixelpacket)); \ 280bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2818e58efdecda887b08ef730d68290a61081ef2566glennrp 282ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR02PixelRed(pixel) \ 2838e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 28416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 2858e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 28616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 28716ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 28816ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2898e58efdecda887b08ef730d68290a61081ef2566glennrp } 29054cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelGreen(pixel) \ 2918e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 29216ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 2938e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 29416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 29516ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 29616ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2978e58efdecda887b08ef730d68290a61081ef2566glennrp } 29854cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelBlue(pixel) \ 2998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 30116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xc0; \ 30216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 30316ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 30416ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 3058e58efdecda887b08ef730d68290a61081ef2566glennrp } 30616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelAlpha(pixel) \ 3078e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3088e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 30916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xc0; \ 31016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, ScaleCharToQuantum( \ 31116ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 31216ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel) ); \ 3138e58efdecda887b08ef730d68290a61081ef2566glennrp } 3148e58efdecda887b08ef730d68290a61081ef2566glennrp 31554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelRGB(pixel) \ 316bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 317ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR02PixelRed((pixel)); \ 31854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelGreen((pixel)); \ 31954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue((pixel)); \ 320bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3218e58efdecda887b08ef730d68290a61081ef2566glennrp 32216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelRGBA(pixel) \ 323bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 32454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelRGB((pixel)); \ 32516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelAlpha((pixel)); \ 326bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3278e58efdecda887b08ef730d68290a61081ef2566glennrp 3288e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR03: Replicate top 3 bits (only used with opaque pixels during 3298e58efdecda887b08ef730d68290a61081ef2566glennrp PNG8 quantization) */ 3308e58efdecda887b08ef730d68290a61081ef2566glennrp 33105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR03PacketRed(pixelpacket) \ 3328e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3338e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xe0; \ 3348e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 3358e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3368e58efdecda887b08ef730d68290a61081ef2566glennrp } 33791d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketGreen(pixelpacket) \ 3388e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3398e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xe0; \ 3408e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 3418e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3428e58efdecda887b08ef730d68290a61081ef2566glennrp } 34391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketBlue(pixelpacket) \ 3448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xe0; \ 3468e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 3478e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3488e58efdecda887b08ef730d68290a61081ef2566glennrp } 3498e58efdecda887b08ef730d68290a61081ef2566glennrp 35091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketRGB(pixelpacket) \ 351bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 35205001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR03PacketRed((pixelpacket)); \ 35391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketGreen((pixelpacket)); \ 35491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketBlue((pixelpacket)); \ 355bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3568e58efdecda887b08ef730d68290a61081ef2566glennrp 357ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR03PixelRed(pixel) \ 3588e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 35916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3608e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 36116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 36216ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3638e58efdecda887b08ef730d68290a61081ef2566glennrp } 36416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Green(pixel) \ 3658e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 36616ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3678e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 36816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 36916ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3708e58efdecda887b08ef730d68290a61081ef2566glennrp } 37116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Blue(pixel) \ 3728e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 37316ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelBlue(image,(pixel))) \ 3748e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 37516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 37616ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3778e58efdecda887b08ef730d68290a61081ef2566glennrp } 3788e58efdecda887b08ef730d68290a61081ef2566glennrp 37916ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03RGB(pixel) \ 380bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 381ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR03PixelRed((pixel)); \ 38216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Green((pixel)); \ 38316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Blue((pixel)); \ 384bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3858e58efdecda887b08ef730d68290a61081ef2566glennrp 3868e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR04: Replicate top 4 bits */ 3878e58efdecda887b08ef730d68290a61081ef2566glennrp 38805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR04PacketRed(pixelpacket) \ 3898e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3908e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xf0; \ 3918e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3928e58efdecda887b08ef730d68290a61081ef2566glennrp } 39391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketGreen(pixelpacket) \ 3948e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3958e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xf0; \ 3968e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3978e58efdecda887b08ef730d68290a61081ef2566glennrp } 39891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketBlue(pixelpacket) \ 3998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xf0; \ 4018e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 4028e58efdecda887b08ef730d68290a61081ef2566glennrp } 40316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PacketAlpha(pixelpacket) \ 4048e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 40516ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xf0; \ 40616ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 4078e58efdecda887b08ef730d68290a61081ef2566glennrp } 4088e58efdecda887b08ef730d68290a61081ef2566glennrp 40991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGB(pixelpacket) \ 410bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR04PacketRed((pixelpacket)); \ 41291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketGreen((pixelpacket)); \ 41391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketBlue((pixelpacket)); \ 414bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4158e58efdecda887b08ef730d68290a61081ef2566glennrp 41691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGBO(pixelpacket) \ 417bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB((pixelpacket)); \ 41916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PacketAlpha((pixelpacket)); \ 420bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4218e58efdecda887b08ef730d68290a61081ef2566glennrp 422ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR04PixelRed(pixel) \ 4238e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 42416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 4258e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 42616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 42716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4288e58efdecda887b08ef730d68290a61081ef2566glennrp } 42954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelGreen(pixel) \ 4308e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 43116ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 4328e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 43316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 43416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4358e58efdecda887b08ef730d68290a61081ef2566glennrp } 43654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelBlue(pixel) \ 4378e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4388e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 43916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xf0; \ 44016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 44116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4428e58efdecda887b08ef730d68290a61081ef2566glennrp } 44316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelAlpha(pixel) \ 4448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 44616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xf0; \ 44716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 44816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4498e58efdecda887b08ef730d68290a61081ef2566glennrp } 4508e58efdecda887b08ef730d68290a61081ef2566glennrp 45154cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelRGB(pixel) \ 452bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 453ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR04PixelRed((pixel)); \ 45454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelGreen((pixel)); \ 45554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelBlue((pixel)); \ 456bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4578e58efdecda887b08ef730d68290a61081ef2566glennrp 45816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelRGBA(pixel) \ 459bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 46054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB((pixel)); \ 46116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelAlpha((pixel)); \ 462bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4638e58efdecda887b08ef730d68290a61081ef2566glennrp 4643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 4663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 4673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 4683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 469868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef PNG_SETJMP_SUPPORTED 470868fff35aea4233c40dca33989293cb5bc91601aglennrp# ifndef IMPNG_SETJMP_IS_THREAD_SAFE 471868fff35aea4233c40dca33989293cb5bc91601aglennrp# define IMPNG_SETJMP_NOT_THREAD_SAFE 472868fff35aea4233c40dca33989293cb5bc91601aglennrp# endif 4733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 474868fff35aea4233c40dca33989293cb5bc91601aglennrp# ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 476cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_semaphore = (SemaphoreInfo *) NULL; 477868fff35aea4233c40dca33989293cb5bc91601aglennrp# endif 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 4823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 4833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 4893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 4903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 4913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 4923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 4943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 4973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 4983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 4993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 5003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 5013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 5023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 5033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 5053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 5063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 5073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 5083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 5093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 5103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 5113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 514bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 5153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 5163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 5173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 5193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 5203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 5243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 5253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 5263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 528629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 529629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 530629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 531629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 532629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 533629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 534629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 535629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 536629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 537629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 538629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 539629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 540629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 541629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 542629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 543629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 544629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 545629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 546629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 547629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 548629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 549629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 550629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 551629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 552629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 553629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 554629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 555629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 556629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 557629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 558629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 559629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 560629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 561629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 5623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 564629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 565629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 566629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 567629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 568629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 569629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 5703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 572689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 573689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp/* Other known chunks that are not yet supported by ImageMagick: */ 574629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 575629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 576629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 577629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 578629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 579629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 580629f80558ba1e82b0317a3d778deaf195c8e37e5Cristystatic const png_byte mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 581689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 5823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5833ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 5843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 5858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 5863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 5873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 5883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 5893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 5903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 5913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5923ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 5933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 5948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 5953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 5963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 5973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 5983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 6003ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 6013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 603bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 6043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 6053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 6063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 6083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 6093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 6113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 6123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 6153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 6183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 6193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 6203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 6213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 6223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 6233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 6243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 6253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 6263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 6273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 6283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6323ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 6363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 6413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 6423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 6443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 6453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 6483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 6503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 6513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 6553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 6563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 6583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 6603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 6653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 6703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 6713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 6723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 6733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 6753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 6763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 6773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 6803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 6873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 6883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 6903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 6913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 6923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 6933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 6943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 6973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 6983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 7023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 7073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 7103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 7113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 7153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72735ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 737b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 738b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 739b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 7571868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_level, 7581868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_strategy, 7591868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_filter, 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 762fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png32, 763fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png48, 764fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png64; 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 80026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 80126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 80226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 803a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 80426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 80526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 80626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 80726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 80826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 80926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 81026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 81126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 812a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 81326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 81426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 8158d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_exclude_zTXt, 816ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_colormap, 817ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* Added at version 6.8.5-7 */ 818fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_preserve_iCCP, 819fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk /* Added at version 6.8.9-9 */ 820fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME; 82126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 82916ea139d53d867211d3bb0fa859a83de653f687ecristy WritePNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 83216ea139d53d867211d3bb0fa859a83de653f687ecristy WriteMNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 83616ea139d53d867211d3bb0fa859a83de653f687ecristy WriteJNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 8400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 841fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 8430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 84416ea139d53d867211d3bb0fa859a83de653f687ecristyLosslessReduceDepthOK(Image *image,ExceptionInfo *exception) 8450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 8469d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp /* Reduce bit depth if it can be reduced losslessly from 16+ to 8. 84767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 84867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * This is true if the high byte and the next highest byte of 84967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * each sample of the image, the colormap, and the background color 8503faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are equal to each other. We check this by seeing if the samples 8513faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are unchanged when we scale them down to 8 and back up to Quantum. 85267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 85367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * We don't use the method GetImageDepth() because it doesn't check 8543faa9a3fb01696daaf976d595f492cb530bffb21glennrp * background and doesn't handle PseudoClass specially. 8559d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp */ 85605a549971fd661147ade177e2bc10f6cfcfc32b4glennrp 8573faa9a3fb01696daaf976d595f492cb530bffb21glennrp#define QuantumToCharToQuantumEqQuantum(quantum) \ 8583faa9a3fb01696daaf976d595f492cb530bffb21glennrp ((ScaleCharToQuantum((unsigned char) ScaleQuantumToChar(quantum))) == quantum) 8593faa9a3fb01696daaf976d595f492cb530bffb21glennrp 86067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp MagickBooleanType 86167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ok_to_reduce=MagickFalse; 86267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp 86303e11f6e8d7f01a32b53d7e8e6a3bfd5ef1c5c9dglennrp if (image->depth >= 16) 8640c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 86616ea139d53d867211d3bb0fa859a83de653f687ecristy const Quantum 8670c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 8680c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8690c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 8703faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.red) && 8713faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.green) && 8723faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.blue) ? 8733faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 8740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 8760c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 8780c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 8800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8813faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce=( 8823faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8833faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].red) && 8843faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8853faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].green) && 8863faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8873faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].blue)) ? 8883faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 8893faa9a3fb01696daaf976d595f492cb530bffb21glennrp 8900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 8913faa9a3fb01696daaf976d595f492cb530bffb21glennrp break; 8920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 8930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 8940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 8960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 8970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 8990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 9000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 9020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 9030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 9050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 90616ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 9070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 90816ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 9090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 9110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 9150c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9163faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce= 91716ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelRed(image,p)) && 91816ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelGreen(image,p)) && 91916ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelBlue(image,p)) ? 9203faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 9230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9240c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 92516ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 9260c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9278640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 9280c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9320c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 9330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9340c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 935fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 9360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 937a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 938a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 939a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 940fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 941a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 9420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9440c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 9450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 9460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 9470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9481a56e9c9268976936eeab9fe97eb664b847e444cglennrpstatic const char* PngColorTypeToString(const unsigned int color_type) 9491a56e9c9268976936eeab9fe97eb664b847e444cglennrp{ 9501a56e9c9268976936eeab9fe97eb664b847e444cglennrp const char 9511a56e9c9268976936eeab9fe97eb664b847e444cglennrp *result = "Unknown"; 9521a56e9c9268976936eeab9fe97eb664b847e444cglennrp 9531a56e9c9268976936eeab9fe97eb664b847e444cglennrp switch (color_type) 9541a56e9c9268976936eeab9fe97eb664b847e444cglennrp { 9551a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY: 9561a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray"; 9571a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9581a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 9591a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray+Alpha"; 9601a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9611a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_PALETTE: 9621a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Palette"; 9631a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9641a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB: 9651a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB"; 9661a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9671a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB_ALPHA: 9681a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB+Alpha"; 9691a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9701a56e9c9268976936eeab9fe97eb664b847e444cglennrp } 9711a56e9c9268976936eeab9fe97eb664b847e444cglennrp 9721a56e9c9268976936eeab9fe97eb664b847e444cglennrp return result; 9731a56e9c9268976936eeab9fe97eb664b847e444cglennrp} 9741a56e9c9268976936eeab9fe97eb664b847e444cglennrp 975e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 976cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_to_PNG_RenderingIntent(const RenderingIntent intent) 9770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 978e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 979e610a071534e448c46460a5aa39ede33bf56b329glennrp { 980e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 981e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 9820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 983e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 984e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 9850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 986e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 987e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 9880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 989e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 990e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 9910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 992e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 993e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 994e610a071534e448c46460a5aa39ede33bf56b329glennrp } 995e610a071534e448c46460a5aa39ede33bf56b329glennrp} 996e610a071534e448c46460a5aa39ede33bf56b329glennrp 997e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 998cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_from_PNG_RenderingIntent(const int ping_intent) 9990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1000cf002022280cc4dedb2748ad6f415aac1d44f530glennrp switch (ping_intent) 1001e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1002e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 1003e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 10040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1005e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 1006e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 10070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1008e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 1009e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 10100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1011e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 1012e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 10130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1014e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1015e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 1016e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1017e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1018e610a071534e448c46460a5aa39ede33bf56b329glennrp 10199d8c12213abd15fee2d84da62d3e5145d9db06cdcristystatic const char * 102098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrpMagick_RenderingIntentString_from_PNG_RenderingIntent(const int ping_intent) 102198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp{ 102298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp switch (ping_intent) 102398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 102498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 0: 102598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Perceptual Intent"; 102698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 102798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 1: 102898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Relative Intent"; 102998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 2: 103198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Saturation Intent"; 103298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 3: 103498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Absolute Intent"; 103598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp default: 103798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Undefined Intent"; 103898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 103998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp} 104098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 1041d9ecd04e9c567113b4b605cf76681cbb37c093cdcristystatic const char * 10425dff435eceea4f80207a906b11e65aed48fe3f27glennrpMagick_ColorType_from_PNG_ColorType(const int ping_colortype) 10435dff435eceea4f80207a906b11e65aed48fe3f27glennrp{ 10445dff435eceea4f80207a906b11e65aed48fe3f27glennrp switch (ping_colortype) 10455dff435eceea4f80207a906b11e65aed48fe3f27glennrp { 10465dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 0: 10475dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Grayscale"; 10485dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10495dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 2: 10505dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Truecolor"; 10515dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10525dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 3: 10535dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Indexed"; 10545dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10555dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 4: 10565dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "GrayAlpha"; 10575dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10585dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 6: 10595dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "RGBA"; 10605dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10615dff435eceea4f80207a906b11e65aed48fe3f27glennrp default: 10625dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "UndefinedColorType"; 10635dff435eceea4f80207a906b11e65aed48fe3f27glennrp } 10645dff435eceea4f80207a906b11e65aed48fe3f27glennrp} 10655dff435eceea4f80207a906b11e65aed48fe3f27glennrp 1066d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 10990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 11553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1184d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1185bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 1191e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image->signature == MagickCoreSignature); 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1207a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1215a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223120b581ad9516a43c50caedfa1a8cff418488819Cristystatic void PNGType(png_bytep p,const png_byte *type) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1228120b581ad9516a43c50caedfa1a8cff418488819Cristystatic void LogPNGChunk(MagickBooleanType logging, const png_byte *type, 122903812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1233e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1234e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1236d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1242d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1324f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 13448fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 1353151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1355151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 1356e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1357e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1385bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13988fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 14010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 14253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14568fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1461bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 14620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1476bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1488bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 15100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 15150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1528bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1530bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 153421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 153521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 153721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1539bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 15440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 15480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 15620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 15650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 15680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 15710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1583bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1585bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1586bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1604bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 16078182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 16080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16188182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 162316ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 162416ea139d53d867211d3bb0fa859a83de653f687ecristy{ 162516ea139d53d867211d3bb0fa859a83de653f687ecristy Image 162616ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 162716ea139d53d867211d3bb0fa859a83de653f687ecristy 162816ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 162916ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 163016ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 163116ea139d53d867211d3bb0fa859a83de653f687ecristy 1632cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 163416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 163516ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 163616ea139d53d867211d3bb0fa859a83de653f687ecristy 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 164016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 164116ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 16420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 164316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 164416ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 164516ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1646c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 164716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1648b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s error: %s", png_get_libpng_ver(NULL),message); 164916ea139d53d867211d3bb0fa859a83de653f687ecristy 165016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 165116ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 16520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1653e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 16548371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 16558371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 16568371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1658faa852bad40107edae19405e76a299057668d795glennrp#else 1659faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1660faa852bad40107edae19405e76a299057668d795glennrp#endif 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1663cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 166516ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 166616ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 166716ea139d53d867211d3bb0fa859a83de653f687ecristy 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 167116ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 167216ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 167316ea139d53d867211d3bb0fa859a83de653f687ecristy 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 16760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 167716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 167816ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 167916ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 168016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1681b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s warning: %s", png_get_libpng_ver(NULL),message); 16820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 168316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1688943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#if PNG_LIBPNG_VER >= 10400 1689a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_alloc_size_t size) 1690a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 1691a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_size_t size) 1692a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1694df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1701cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17033bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 17063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1714edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrpMagick_png_read_raw_profile(png_struct *ping,Image *image, 1715edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp const ImageInfo *image_info, png_textp text,int ii,ExceptionInfo *exception) 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1717bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1750f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 17510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 175297f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 175397f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 175497f90e23c85b9c58387880125c29d8c99126f83aglennrp 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1761edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping,"invalid profile length"); 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17658723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 17660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 17683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1769edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "unable to copy profile"); 17703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 17760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 17823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1783edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ran out of profile data"); 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 179916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 18040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 18113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 18133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 18173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18232ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp LogMagickEvent(CoderEvent,GetMagickModule(), 18242ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp " read_vpag_chunk: found %c%c%c%c chunk", 18252ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp chunk->name[0],chunk->name[1],chunk->name[2],chunk->name[3]); 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1841bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 18430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1844bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1857fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 1858fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void read_tIME_chunk(Image *image,png_struct *ping,png_info *info, 1859fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ExceptionInfo *exception) 1860fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 1861fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_timep 1862fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time; 1863fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1864fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (png_get_tIME(ping,info,&time)) 1865fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1866fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk char 1867fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp[21]; 1868fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1869fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk FormatLocaleString(timestamp,21,"%04d-%02d-%02dT%02d:%02d:%02dZ", 1870fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time->year,time->month,time->day,time->hour,time->minute,time->second); 1871fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk SetImageProperty(image,"png:tIME",timestamp,exception); 1872fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1873fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 1874fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1875fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 18763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 18883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1911cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 1912cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1916d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp char 1917ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp im_vers[32], 1918ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv[32], 1919ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_vers[32], 1920ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv[32], 1921ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_vers[32]; 1922d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 192498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent, /* "PNG Rendering intent", which is ICC intent + 1 */ 1925cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 19274eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 19283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1929913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors, 1930faa852bad40107edae19405e76a299057668d795glennrp pass, 1931faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1932faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1933fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth, 1934faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1935faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1936faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 19374eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 19384eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 19394eb3931feb349dd87142c78503b779228f3e1a0fglennrp 19404eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 19414eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 19444383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 194598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 194698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 194798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 194898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 19493d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM, 1950ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19530997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 19540997332e2c35a821b271d6e7473c01c10dc206adcristy *volatile pixel_info; 19550997332e2c35a821b271d6e7473c01c10dc206adcristy 195616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 195716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 195816ea139d53d867211d3bb0fa859a83de653f687ecristy 195916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 196016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 196116ea139d53d867211d3bb0fa859a83de653f687ecristy 1962faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1963faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1964faa852bad40107edae19405e76a299057668d795glennrp 1965faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1966faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1967faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1968faa852bad40107edae19405e76a299057668d795glennrp 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1979faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1980faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1981faa852bad40107edae19405e76a299057668d795glennrp ping_width, 19824eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 19834eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 1984faa852bad40107edae19405e76a299057668d795glennrp 198516ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 198616ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 198716ea139d53d867211d3bb0fa859a83de653f687ecristy 1988bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 1989756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1995bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 199916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 200339992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2006eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2007eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2008eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 200975fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 20100997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 201155b78b53f1e013e0af19565ac04aaa7660d53795cristy 2012629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 20193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 2020fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if !defined(PNG_tIME_SUPPORTED) 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2022fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 2023629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2024629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2025629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2026629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2027629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2028629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2032d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 2033d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 2034d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 2035d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 2036d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2037ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibVersionText,32); 2038d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2039ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibAddendum,32); 2040ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2041d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 2042d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 2043ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 2044ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 2045ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 2046ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 2047ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2048d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 2049d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 2050ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 2051ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 2052ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 2053ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 2054ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 20552dd1906783a5ece58a6105b4f59239e28b13caddglennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(), 20562dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Enter ReadOnePNGImage()\n" 20572dd1906783a5ece58a6105b4f59239e28b13caddglennrp " IM version = %s\n" 20582dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Libpng version = %s", 20592dd1906783a5ece58a6105b4f59239e28b13caddglennrp im_vers, libpng_vers); 20602dd1906783a5ece58a6105b4f59239e28b13caddglennrp 20612dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 20622dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20632dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 2064d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 20652dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20662dd1906783a5ece58a6105b4f59239e28b13caddglennrp libpng_runv); 2067d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 20682dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 20692dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_vers); 20702dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 20712dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20722dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20732dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_runv); 20742dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 20752dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 2076d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 207725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 20783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 208361b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 208461b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 208561b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 208661b4c957269727a0a2526edc2331881da8346100glennrp { 208761b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 208861b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 208961b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 209061b4c957269727a0a2526edc2331881da8346100glennrp } 209161b4c957269727a0a2526edc2331881da8346100glennrp# endif 209261b4c957269727a0a2526edc2331881da8346100glennrp#endif 209361b4c957269727a0a2526edc2331881da8346100glennrp 209416ea139d53d867211d3bb0fa859a83de653f687ecristy 209516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2098a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 209998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2100a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21012dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Before reading:\n" 21022dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->alpha_trait=%d" 21032dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->rendering_intent=%d\n" 21042dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->colorspace=%d\n" 21052dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->gamma=%f", 21062dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->alpha_trait, (int) image->rendering_intent, 21072dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->colorspace, image->gamma); 210898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 210998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 211098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21110e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21120e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21130e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21140e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 211516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21160e319739731741c52a6303723e0c8678a0df5579glennrp 2117913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2118cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21194eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2120cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2121cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 212298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 212398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 212498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 212598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 21264b917593e694424be469d250448c05c878663812glennrp ping_found_sRGB_cHRM = MagickFalse; 2127ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = MagickFalse; 2128ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 212998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 213416ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 213516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 21363e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2137cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2138cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 21403e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2141cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21620997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 21630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2164faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2170edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2171868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2172cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2174edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21750997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 21760997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 2177edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 21810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 2183057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk { 2184057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk const char 2185057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk *option; 2186057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk 2187057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk option=GetImageOption(image_info,"png:preserve-corrupt-image"); 2188057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk if (IsStringTrue(option) == MagickFalse) 2189057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk image->columns=0; 2190057a5d2cf6f95e2fbea1dc2abec0bc9463f77052dirk } 21910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2194edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2195edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2196edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2197edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2198edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2199edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2200868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2201edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2202edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2203edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2204943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 2205a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 2206a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 2207a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 2208a3a5f956194e91458e2789966ad15308e8f3df47glennrp 2209f9eb20453e3475d44a3833f64c4a662c0106c43edirk#ifdef PNG_SET_USER_LIMITS_SUPPORTED 2210f9eb20453e3475d44a3833f64c4a662c0106c43edirk /* Reject images with too many rows or columns */ 2211f9eb20453e3475d44a3833f64c4a662c0106c43edirk png_set_user_limits(ping, 2212f9eb20453e3475d44a3833f64c4a662c0106c43edirk (png_uint_32) MagickMin(0x7fffffffL, 2213f9eb20453e3475d44a3833f64c4a662c0106c43edirk GetMagickResourceLimit(WidthResource)), 2214f9eb20453e3475d44a3833f64c4a662c0106c43edirk (png_uint_32) MagickMin(0x7fffffffL, 2215f9eb20453e3475d44a3833f64c4a662c0106c43edirk GetMagickResourceLimit(HeightResource))); 2216f9eb20453e3475d44a3833f64c4a662c0106c43edirk#endif /* PNG_SET_USER_LIMITS_SUPPORTED */ 2217f9eb20453e3475d44a3833f64c4a662c0106c43edirk 22183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2221faa852bad40107edae19405e76a299057668d795glennrp 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2247e604a757f40a91c286711c49577eeced17ea97adglennrp { 2248e604a757f40a91c286711c49577eeced17ea97adglennrp const char 2249e604a757f40a91c286711c49577eeced17ea97adglennrp *value; 2250e604a757f40a91c286711c49577eeced17ea97adglennrp 2251e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"profile:skip"); 2252e604a757f40a91c286711c49577eeced17ea97adglennrp 2253e604a757f40a91c286711c49577eeced17ea97adglennrp if (IsOptionMember("ICC",value) == MagickFalse) 2254e604a757f40a91c286711c49577eeced17ea97adglennrp { 2255e604a757f40a91c286711c49577eeced17ea97adglennrp 2256e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 2257e604a757f40a91c286711c49577eeced17ea97adglennrp 2258e604a757f40a91c286711c49577eeced17ea97adglennrp if (value == NULL) 2259e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 2260e604a757f40a91c286711c49577eeced17ea97adglennrp 2261e604a757f40a91c286711c49577eeced17ea97adglennrp if (value != NULL) 2262e604a757f40a91c286711c49577eeced17ea97adglennrp ping_preserve_iCCP=MagickTrue; 2263201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp 2264201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#if defined(PNG_SKIP_sRGB_CHECK_PROFILE) && defined(PNG_SET_OPTION_SUPPORTED) 2265201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp /* Don't let libpng check for ICC/sRGB profile because we're going 2266201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp * to do that anyway. This feature was added at libpng-1.6.12. 2267cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp * If logging, go ahead and check and issue a warning as appropriate. 2268201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp */ 2269cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp if (logging == MagickFalse) 2270cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON); 2271201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#endif 2272e604a757f40a91c286711c49577eeced17ea97adglennrp } 2273e604a757f40a91c286711c49577eeced17ea97adglennrp#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 2274e604a757f40a91c286711c49577eeced17ea97adglennrp else 2275e604a757f40a91c286711c49577eeced17ea97adglennrp { 2276e604a757f40a91c286711c49577eeced17ea97adglennrp png_set_keep_unknown_chunks(ping, 1, mng_iCCP, 1); 2277e604a757f40a91c286711c49577eeced17ea97adglennrp } 2278e604a757f40a91c286711c49577eeced17ea97adglennrp#endif 2279e604a757f40a91c286711c49577eeced17ea97adglennrp } 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22822ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#if PNG_LIBPNG_VER < 10700 /* Avoid libpng16 warning */ 22832ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp png_set_keep_unknown_chunks(ping, 2, NULL, 0); 22842ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#else 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22862ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#endif 22873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22942feb141b6f74ce425fed3272286fab1f50366bb9glennrp#ifdef PNG_SET_USER_LIMITS_SUPPORTED 229509cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# if (PNG_LIBPNG_VER >= 10400) 22962feb141b6f74ce425fed3272286fab1f50366bb9glennrp /* Limit the size of the chunk storage cache used for sPLT, text, 2297687361928f16a28ea56e200d00e970e68173cc25glennrp * and unknown chunks. 22982feb141b6f74ce425fed3272286fab1f50366bb9glennrp */ 2299687361928f16a28ea56e200d00e970e68173cc25glennrp png_set_chunk_cache_max(ping, 32767); 230009cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# endif 23012feb141b6f74ce425fed3272286fab1f50366bb9glennrp#endif 23022feb141b6f74ce425fed3272286fab1f50366bb9glennrp 23039bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 23049bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 23059bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 23069bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 23079bf97b6c2143eb20c330346b01e82102cc082725glennrp 2308991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2309991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2310991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 23123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 23153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 23193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2324991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2328faa852bad40107edae19405e76a299057668d795glennrp 2329faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2330faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2331faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2332faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2333faa852bad40107edae19405e76a299057668d795glennrp 2334fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2335fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 23360d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp /* Swap bytes if requested */ 23370d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp if (ping_file_depth == 16) 23380d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp { 23390d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp const char 2340a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp *value; 23416647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2342a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageOption(image_info,"png:swap-bytes"); 23436647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2344a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value == NULL) 2345a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageArtifact(image,"png:swap-bytes"); 23466647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2347a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value != NULL) 2348a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp png_set_swap(ping); 23490d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp } 23500d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp 23515830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp /* Save bit-depth and color-type in case we later want to write a PNG00 */ 23525830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 23535830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp char 2354151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 23555830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2356151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_color_type); 23573398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color-type-orig",msg,exception); 23585830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2359151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_bit_depth); 23603398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit-depth-orig",msg,exception); 23615830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 23625830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2363faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2364faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2365faa852bad40107edae19405e76a299057668d795glennrp 2366faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2367faa852bad40107edae19405e76a299057668d795glennrp 2368faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2370fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2371fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2373faa852bad40107edae19405e76a299057668d795glennrp 2374faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2376faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 237798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2378176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2379176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2380176b29a003f11fd934137871d574995319408665cristy { 2381176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 238298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2383176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2384176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2385176b29a003f11fd934137871d574995319408665cristy } 238698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23902dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG width: %.20g, height: %.20g\n" 23912dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG color_type: %d, bit_depth: %d\n" 23922dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG compression_method: %d\n" 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 23942dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) ping_width, (double) ping_height, 23952dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_color_type, ping_bit_depth, 23962dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_compression_method, 2397faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 23982dd1906783a5ece58a6105b4f59239e28b13caddglennrp 23993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2401ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 2402ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2403ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 2404ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (logging != MagickFalse) 2405ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2406ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 2407ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2408ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 240998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 241098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 241298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 241398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 241498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 241598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 241698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 241798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 241898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 242098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 242198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 242298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 242398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2425ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP != MagickTrue && png_get_valid(ping,ping_info, 2426ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 242798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2428ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB=MagickTrue; 242998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 243098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2431ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG sRGB chunk."); 243298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 243398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2434ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2435e604a757f40a91c286711c49577eeced17ea97adglennrp if (ping_found_iCCP !=MagickTrue && 2436ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB != MagickTrue && 2437ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 243898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2439ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 244098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 244198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2442ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 244398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 244498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2445faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2450e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2451e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2452e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2453e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2454e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2455e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2456e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2457e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2475ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2476e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2477ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2478e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2479ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2480ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_warning(ping, "ICC profile is NULL"); 2481ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2482ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2483ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else 2484ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2485ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_preserve_iCCP == MagickFalse) 2486edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp int 2488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 2489ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 2490ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2491ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2492ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 2493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length, 2494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 2495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2496ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp unsigned char 2497ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp *data; 2498ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length=(png_uint_32) GetStringInfoLength(profile); 2500ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2501ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 2502ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2503ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 2504ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 2506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2507ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2508ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 2509ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 2512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 2513ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 2516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 2517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2518ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2519ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 2520ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2521ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2522ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 2523ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 2524ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 2525ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent==UndefinedIntent) 2526ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 2529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 2530ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2531ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp break; 2532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2533ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2535ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 2536ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2537ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2538ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 2539ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2540ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2541ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2542edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2543ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else /* Preserve-iCCP */ 2544edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2545ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2546edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2547ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2548ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2549ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2553ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2556ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP==MagickFalse && png_get_valid(ping,ping_info, 2557ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 2558ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2559ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_sRGB(ping,ping_info,&intent)) 25603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2561ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2562ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2563ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent (intent); 25640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2567e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 25683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2569ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2570ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2571ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else if (mng_info->have_global_srgb) 2572ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2573ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2574ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2575ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent 2576ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (mng_info->global_srgb_intent); 2577ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2580ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2581ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2583faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2584faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2585faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 25860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 259598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2596faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2597faa852bad40107edae19405e76a299057668d795glennrp { 2598faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2599faa852bad40107edae19405e76a299057668d795glennrp { 2600faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2601faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2602faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2603faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2604faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2605faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2606faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2607faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2608faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2609faa852bad40107edae19405e76a299057668d795glennrp } 2610faa852bad40107edae19405e76a299057668d795glennrp } 26110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2612faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 26230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2624ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_cHRM=MagickTrue; 2625ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 26263d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (image->chromaticity.red_primary.x>0.6399f && 26273d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 26283d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 26293d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 26303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 26313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 26323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 26333d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 26343d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 26353d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 26363d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 26373d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 26383d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 26393d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 26403d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 26413d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f) 26423d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM=MagickTrue; 26433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2645e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 26463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26473d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (ping_found_sRGB != MagickTrue && 26483d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_gAMA != MagickTrue || 264984288238d90b2e1831857d6b2427abd7875b7e1bglennrp (image->gamma > .45 && image->gamma < .46)) && 26503d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_cHRM != MagickTrue || 2651cd8b331760407523f2a59cc65c1cd9c3d4422bafcristy ping_found_sRGB_cHRM != MagickFalse) && 26523d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_iCCP != MagickTrue) 26535cf1bff142633838354b1080183c957900bc80e8glennrp { 26545cf1bff142633838354b1080183c957900bc80e8glennrp png_set_sRGB(ping,ping_info, 26555cf1bff142633838354b1080183c957900bc80e8glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 26565cf1bff142633838354b1080183c957900bc80e8glennrp (image->rendering_intent)); 26575cf1bff142633838354b1080183c957900bc80e8glennrp file_gamma=1.000f/2.200f; 26585cf1bff142633838354b1080183c957900bc80e8glennrp ping_found_sRGB=MagickTrue; 265984288238d90b2e1831857d6b2427abd7875b7e1bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2660918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp " Setting sRGB as if in input"); 26615cf1bff142633838354b1080183c957900bc80e8glennrp } 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26635cf1bff142633838354b1080183c957900bc80e8glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2665faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 26663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2667905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2668905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 26690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 26723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2673e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2674e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2678faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2679faa852bad40107edae19405e76a299057668d795glennrp { 2680faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2681faa852bad40107edae19405e76a299057668d795glennrp { 2682faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2683faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2684faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2685faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2686faa852bad40107edae19405e76a299057668d795glennrp } 2687faa852bad40107edae19405e76a299057668d795glennrp } 2688faa852bad40107edae19405e76a299057668d795glennrp 26895c97f62ba919c3c109f0072df3b560056565e9e7cristy x_resolution=0; 26905c97f62ba919c3c109f0072df3b560056565e9e7cristy y_resolution=0; 26915c97f62ba919c3c109f0072df3b560056565e9e7cristy unit_type=0; 2692faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 26980881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 269916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 270016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 27010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 270516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 270616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2711e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2712e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2715823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2716faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2724faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 27300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2731faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2732edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 27343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2735edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2736edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2738edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2739edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2740edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2741edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2742edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2743edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2744bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2749faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 27533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2758faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2759faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 27600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 27623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 27630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 27660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 27690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2770c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2771c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2772c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 27743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2778edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 27793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2782bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2783faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2784faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 27860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2787faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2789bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2790bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2791bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 27922dd1906783a5ece58a6105b4f59239e28b13caddglennrp /* Set image background color. 27932dd1906783a5ece58a6105b4f59239e28b13caddglennrp * Scale background components to 16-bit, then scale 2794bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2795bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 27962cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2797bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 27980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2799fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2800bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 28010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2802fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2803bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 28040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2805fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2806bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 28070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2808fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2809bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 28102cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2811bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2812bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2813bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 28142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2815bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2816bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 28172dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 28182dd1906783a5ece58a6105b4f59239e28b13caddglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28192dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Reading PNG bKGD chunk, raw ping_background=(%d,%d,%d).\n" 28202dd1906783a5ece58a6105b4f59239e28b13caddglennrp " bkgd_scale=%d. ping_background=(%d,%d,%d).", 28212dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->red,ping_background->green, 28222dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->blue, 28232dd1906783a5ece58a6105b4f59239e28b13caddglennrp bkgd_scale,ping_background->red, 28242dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->green,ping_background->blue); 2825bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 28262cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2827bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2828faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 28290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2830bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2831faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 28320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2833bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2834bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 28350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 283616ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 28372cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2838bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2839bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2840bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2841bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2842bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2843bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2845bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2846a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2847faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2850a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 28513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 28533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 285535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 285635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 285735ef824baa82511126ff0072ae30eee0da9c05a3cristy 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2862fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2864faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2865faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2866faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2867faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2868faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2869faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 28703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 28743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2875faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 28768a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2880a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 28819b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp scale_to_short; 2882a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2883fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2884a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2885a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2886a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2887a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2888a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 288916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 289005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2891faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28930f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 28940f111984738842d27d04aed2a3f823d82a943506glennrp { 28950f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28962dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Raw tRNS graylevel = %d, scaled graylevel = %d.", 28972dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) ping_trans_color->gray,(int) transparent_color.alpha); 28980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28990f111984738842d27d04aed2a3f823d82a943506glennrp } 290016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 290116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 290216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2909faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2914faa852bad40107edae19405e76a299057668d795glennrp 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2916faa852bad40107edae19405e76a299057668d795glennrp 2917faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2918faa852bad40107edae19405e76a299057668d795glennrp 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2925bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 29273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2928faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2929faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2940faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2941faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2942a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 294316ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 294416ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 29458d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29460a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp double 29470a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp image_gamma = image->gamma; 29480a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29490a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29500a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->gamma=%f",(float) image_gamma); 29510a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29520a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp if (image_gamma > 0.75) 29538d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29540a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp /* Set image->rendering_intent to Undefined, 2955e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 29568d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 295767429939a9bdca8c2ea541cd690b8e479c921527glennrp image->intensity = Rec709LuminancePixelIntensityMethod; 29588d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 29598d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2960ccc36af759d30fb50b1deda241d038402a393b17glennrp else 2961ccc36af759d30fb50b1deda241d038402a393b17glennrp { 2962ccc36af759d30fb50b1deda241d038402a393b17glennrp RenderingIntent 2963ccc36af759d30fb50b1deda241d038402a393b17glennrp save_rendering_intent = image->rendering_intent; 2964ccc36af759d30fb50b1deda241d038402a393b17glennrp ChromaticityInfo 2965ccc36af759d30fb50b1deda241d038402a393b17glennrp save_chromaticity = image->chromaticity; 2966ccc36af759d30fb50b1deda241d038402a393b17glennrp 2967ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,GRAYColorspace,exception); 2968ccc36af759d30fb50b1deda241d038402a393b17glennrp image->rendering_intent = save_rendering_intent; 2969ccc36af759d30fb50b1deda241d038402a393b17glennrp image->chromaticity = save_chromaticity; 2970ccc36af759d30fb50b1deda241d038402a393b17glennrp } 2971ccc36af759d30fb50b1deda241d038402a393b17glennrp 2972ccc36af759d30fb50b1deda241d038402a393b17glennrp image->gamma = image_gamma; 29738d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 29746647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2975e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29760a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->colorspace=%d",(int) image->colorspace); 2977a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2978faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 297932340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 298032340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2982befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2983befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2984befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2986befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2987fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 299067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 299167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 299267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 299367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2995faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 29963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 29993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 3001bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 30020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 301416ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 3015edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 30160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3017faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 30230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30246af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30306af6cf1a950b111ad0ac706269a703086693ba71glennrp 303167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 30326af6cf1a950b111ad0ac706269a703086693ba71glennrp { 30336af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 30346af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 30356af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 30366af6cf1a950b111ad0ac706269a703086693ba71glennrp } 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30419b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp Quantum 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 304426ac8585e46188a648abf5fa3a1a7d264d8b3cb9Cristy scale = (Quantum) ((65535UL)/((1UL << ping_file_depth)-1)); 30450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30469b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 30479b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp scale = ScaleShortToQuantum(scale); 30489b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#endif 30490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3050bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 30533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 30553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3058147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3059cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 3060cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3061147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 3062151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 3063147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3064fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 3065147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 3066147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3067151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 30687cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 30693398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.width,height",msg,exception); 3070147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3071151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_file_depth); 30723398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit_depth",msg,exception); 3073147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3074151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (%s)", 30755dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 30765dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 30773398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color_type",msg,exception); 3078147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3079913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 3080913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3081151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Not interlaced)", 3082913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3083913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3084913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 3085913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3086151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Adam7 method)", 3087913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3088913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3089913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 3090913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3091151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Unknown method)", 3092913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3093913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3094913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 3095913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 3096913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 3097913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3098151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d", 3099913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 31003398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:PLTE.number_colors",msg, 3101913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 3102913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 310339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 3104fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 310539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp read_tIME_chunk(image,ping,ping_info,exception); 3106fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 310739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 3108147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 31140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31150ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 3116347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 3117347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31191b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 31201b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 31211b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 31221b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3125e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3128edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3129868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3130cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3132edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 31360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 31430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3144a701bb35fa5f33c41f4053b39e0f4c4c20ec17d4Cristy status=SetImageExtent(image,image->columns,image->rows,exception); 3145a701bb35fa5f33c41f4053b39e0f4c4c20ec17d4Cristy if (status == MagickFalse) 3146a701bb35fa5f33c41f4053b39e0f4c4c20ec17d4Cristy return(DestroyImageList(image)); 3147a701bb35fa5f33c41f4053b39e0f4c4c20ec17d4Cristy 31483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 31490997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(image->rows,ping_rowbytes* 3150cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 31510997332e2c35a821b271d6e7473c01c10dc206adcristy else 31520997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(ping_rowbytes,sizeof(*ping_pixels)); 31530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31540997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 3155edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31560997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 31570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31645f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 316516ea139d53d867211d3bb0fa859a83de653f687ecristy 316616ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 3167edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 31680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31694b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 31704b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp 3171c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3172c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3173c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 3174c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 3175c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3176c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3177c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3180c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3181c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3182c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3183c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3184c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 3185ccc36af759d30fb50b1deda241d038402a393b17glennrp image->alpha_trait= 3186ccc36af759d30fb50b1deda241d038402a393b17glennrp (((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3187c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3188c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3189b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3191c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3192c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3193c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3194c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 31950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3196c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3197c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 31980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3199cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3200c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3201c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3202c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3203c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3204862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 320616ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3207c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 32080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320916ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 321016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321116ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 32120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321316ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 321416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321516ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 32160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321716ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 321816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321916ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 32200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 322116ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 322216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 322316ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 32240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 322516ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 322616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 322716ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 32283faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3229c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3230c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3231c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3232a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3233a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3234a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3235a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3236c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3237c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 32385aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 32395aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 324016ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3241c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3242a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3243a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3244a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3245a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3246c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3247c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3248c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 32504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 325116ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 325216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 325316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 325416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 325516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 325616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 32574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3258a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3259a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3260a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 32614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 32624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 32634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 326416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3265c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3266c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3268af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 3269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3270af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 3271af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) y, image->rows); 32720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3273c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3274c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3275c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3276c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3278c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3280af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 32817a287bfadeadea12e47c2376ca78a5d101687142cristy { 3282c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 32837a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32847a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32857a287bfadeadea12e47c2376ca78a5d101687142cristy } 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3290c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3302c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3303c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3304c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 330516ea139d53d867211d3bb0fa859a83de653f687ecristy 33068a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3307b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 33080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3310b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3311b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 33120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3314edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 33150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3316bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33184f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp Quantum 33194f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha; 33204f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3322faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3323c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3326c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3327cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3328c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3329c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3330c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3331c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 33324f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 33330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 333416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3337cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 33383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3339c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3340faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 33433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33444f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 3345faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3346bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 33473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3348a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33494f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33504f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleCharToQuantum((unsigned char)*p++); 33514f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33524f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33534f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33544f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 33550b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33564f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 335716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3361bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3362a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 336647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3369bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3370a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 33719b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 337287281ec8d96ad26dfed9968c29b2920cb3d96744cristy unsigned short 337358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 337458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3376c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 337758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3379c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 338058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 338158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3382c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 338358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 33840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3385faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 33863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3387c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3388c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3389c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3390c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3391c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3392c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 33934f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33944f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleShortToQuantum(quantum); 33954f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33964f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33974f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 339858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 33994f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 340016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 340158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 340258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 340358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 340458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 340558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 340647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 340758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 340858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 340916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 34104f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 341116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 34120b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 34134f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 341458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 341516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3418a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 341947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 342247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34263faa9a3fb01696daaf976d595f492cb530bffb21glennrp 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 34310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 343216ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 343316ea139d53d867211d3bb0fa859a83de653f687ecristy 343416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 343516ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3436bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 343716ea139d53d867211d3bb0fa859a83de653f687ecristy { 343816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 343916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 344016ea139d53d867211d3bb0fa859a83de653f687ecristy } 34410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3445af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 34467a287bfadeadea12e47c2376ca78a5d101687142cristy { 3447cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 34489fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 344947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34507a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 34517a287bfadeadea12e47c2376ca78a5d101687142cristy break; 34527a287bfadeadea12e47c2376ca78a5d101687142cristy } 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3454c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3455af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 345847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3462c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3465c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3466b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3467b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3471c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3473c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3474c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 34755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 34765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3478bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 34795aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 34805aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3483c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 348416ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 348516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 348616ea139d53d867211d3bb0fa859a83de653f687ecristy 34875c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 34885c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3489b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3490b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 34915c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3492b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 34938a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 349416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3495b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 34965c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 349747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34984eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3500ccc36af759d30fb50b1deda241d038402a393b17glennrp if (logging != MagickFalse) 3501ccc36af759d30fb50b1deda241d038402a393b17glennrp { 3502ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3503ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->storage_class=%d\n",(int) image->storage_class); 3504ccc36af759d30fb50b1deda241d038402a393b17glennrp } 3505ccc36af759d30fb50b1deda241d038402a393b17glennrp 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3507bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 35100997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 351216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3513868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3514cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 352147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3522faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 35318a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3532c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35333c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3534c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 35360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3538c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 35390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 35400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35418a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 354216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 354316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 35440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3545c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 354647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 35480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 35500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 355216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 35530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35548a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 355516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 35560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 355916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 35600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 356147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3562a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3563a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3564a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 35680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 35700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3571c11cf6a442f3046940608a5743a68cc891deb13eglennrp 357216ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 35730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3574c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3576a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3577a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3578a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 35800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 358116ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 358216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 358316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 358416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 358516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 358616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 35874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 358816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 35894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 35900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 359167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 35920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 359416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 35954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3596a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 35970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 359816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 35990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 36000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 36020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3603c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 36040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3605a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3606c11cf6a442f3046940608a5743a68cc891deb13eglennrp 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36093c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3610eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 36114eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36124eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3613a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3614a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36154eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3616a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3617a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36194eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 36204eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 36214eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36224eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 36230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36244eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36254eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36264eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 36270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36285285ae1de367013bf70a5a4e5feaefe3de8dda7bglennrp if (strlen(text[i].key) > 16 && 36296dfc26699a1aacdec9771115c4dcaf6c5c0a8f98glennrp memcmp(text[i].key, "Raw profile type ",17) == 0) 36304eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 363199f968111025b4fadb966ca482c6f57750bf007bglennrp const char 363299f968111025b4fadb966ca482c6f57750bf007bglennrp *value; 363399f968111025b4fadb966ca482c6f57750bf007bglennrp 363499f968111025b4fadb966ca482c6f57750bf007bglennrp value=GetImageOption(image_info,"profile:skip"); 363599f968111025b4fadb966ca482c6f57750bf007bglennrp 363699f968111025b4fadb966ca482c6f57750bf007bglennrp if (IsOptionMember(text[i].key+17,value) == MagickFalse) 363799f968111025b4fadb966ca482c6f57750bf007bglennrp { 363899f968111025b4fadb966ca482c6f57750bf007bglennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 363999f968111025b4fadb966ca482c6f57750bf007bglennrp (int) i,exception); 364099f968111025b4fadb966ca482c6f57750bf007bglennrp num_raw_profiles++; 364199f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 364299f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 364399f968111025b4fadb966ca482c6f57750bf007bglennrp " Read raw profile %s",text[i].key+17); 364499f968111025b4fadb966ca482c6f57750bf007bglennrp } 364599f968111025b4fadb966ca482c6f57750bf007bglennrp else 364699f968111025b4fadb966ca482c6f57750bf007bglennrp { 364799f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 364899f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 364999f968111025b4fadb966ca482c6f57750bf007bglennrp " Skipping raw profile %s",text[i].key+17); 365099f968111025b4fadb966ca482c6f57750bf007bglennrp } 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36524eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 36544eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36554eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 36574eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 3659151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy value=(char *) AcquireQuantumMemory(length+MagickPathExtent, 36604eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 36614eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 36624eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3663edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36644eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 36654eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36664eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 36674eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 36684eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36694eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 36704eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 36714eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 36724eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 36734eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 36744eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 367516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36774eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36794eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36802dd1906783a5ece58a6105b4f59239e28b13caddglennrp " length: %lu\n" 36812dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Keyword: %s", 36822dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) length, 36832dd1906783a5ece58a6105b4f59239e28b13caddglennrp text[i].key); 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36864eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 368797f90e23c85b9c58387880125c29d8c99126f83aglennrp } 36884eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3689fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk num_text_total += num_text; 3690fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 36913c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 370473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 37050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 371247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3717edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 37180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3720edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 37290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 373116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 37350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3737edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 37380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3739faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 37410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3742faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3743faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3744faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3745faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3746faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3747faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3748faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3749faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 37500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3751faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 37613c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 376747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37730a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 37748a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 37750a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 37760a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 37770a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 37788a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 37790a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 37800a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3781b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 37820a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3783224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#if 0 /* I'm not sure what's wrong here but it does not work. */ 378417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 37855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37865830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 3787def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,GrayscaleAlphaType,exception); 37885830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 3790def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,PaletteAlphaType,exception); 37915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37925830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 3793def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 37945830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 37955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37975830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37985830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 37995830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleType,exception); 38005830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 38015830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 38025830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteType,exception); 38035830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 38045830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 38055830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorType,exception); 38065830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 3807224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#endif 38085830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 3809cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3810cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3811cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3812151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 3813cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38144eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3815cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3816cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 3817151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 3818613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 38193398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:text",msg, 382016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3821cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3822cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3823cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3824cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3825151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 3826cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 382716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 382816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3829cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3830cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 383198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 38325961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 3833151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38345961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 38353398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:cHRM",msg, 383616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38375961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3838cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3839cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 38405961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 3841151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38425961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 38433398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:bKGD",msg, 384416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38455961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 38465961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 3847151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38485961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3849cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 385098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 385198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 38523398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:iCCP",msg, 385316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 385498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3855cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38564eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 38573398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:tRNS",msg, 385816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38594eb3931feb349dd87142c78503b779228f3e1a0fglennrp 38604eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 386198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 38624eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3863151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 386498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 386598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 386698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 38673398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:sRGB",msg, 386898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 38694eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38704eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38714eb3931feb349dd87142c78503b779228f3e1a0fglennrp 387298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 38734eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3874151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 387516ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 387616ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 38773398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:gAMA",msg, 387816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38794eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3880cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38814eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3882cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 38834eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3884151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 388507523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 38864eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 38873398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:pHYs",msg, 388816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38894eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38904eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3891cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38924eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 38934eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 38944eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3895151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"x_off=%.20g, y_off=%.20g", 38964eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 38973398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:oFFs",msg, 389816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38994eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 39004eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 39014eb3931feb349dd87142c78503b779228f3e1a0fglennrp 3902fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3903fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,end_info,exception); 3904fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3905fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 390607523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 390707523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 390807523c7d2e40370804c2036295571e4b6426f94dglennrp { 3909151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 391007523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 391107523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 39123398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:vpAg",msg, 391316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 391407523c7d2e40370804c2036295571e4b6426f94dglennrp } 3915cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3916cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39220997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 39270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3928868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3929edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3930edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3931edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3932edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3933edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3934edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3935edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 3944919429921a43880a338ed87e128d3b96219442efglennrp *image; 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 394721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 394821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 3955151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 3964e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 396547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 396947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 3971e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(exception->signature == MagickCoreSignature); 3972fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 397316ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 397647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 397947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 398447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3985dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 398747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 399273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 399347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 399647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 400647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 40120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 401547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 401747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 40230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 402647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 402772715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 40283d627862fb79aad8a20be4f1587f0b8761db441aglennrp ((image->gamma < .45) || (image->gamma > .46)) && 40293d627862fb79aad8a20be4f1587f0b8761db441aglennrp !(image->chromaticity.red_primary.x>0.6399f && 40303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 40313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 40323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 40333d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 40343d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 40353d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 40363d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 40373d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 40383d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 40393d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 40403d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 40413d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 40423d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 40433d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 40443d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f)) 4045ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4046ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,RGBColorspace,exception); 4047ccc36af759d30fb50b1deda241d038402a393b17glennrp } 404872715f5c299a6482f8eb175070b056d77b74a43fcristy 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 4050ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4051ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4052ccc36af759d30fb50b1deda241d038402a393b17glennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 4053ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.width,(double) image->page.height, 4054ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.x,(double) image->page.y); 4055ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4056ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->colorspace: %d", (int) image->colorspace); 4057ccc36af759d30fb50b1deda241d038402a393b17glennrp } 405897f90e23c85b9c58387880125c29d8c99126f83aglennrp 405997f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 40610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41134383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 41144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 41154383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 4116bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413616ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4139bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 414316ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 4151e0421fec74bee9a6f9def3d51aed4204f970ad73glennrp reading_idat; 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4153bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 4167fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 41700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 417116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 41790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 418016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 41810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4198151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy type[MagickPathExtent]; 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 42110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 42140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 4216151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(type,"errr",MagickPathExtent); 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4222e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4223e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 42266af512ae5eeeed8effd9af4d57aab7caf74c65eddirk ThrowReaderException(CorruptImageError,"CorruptImage"); 42270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 423047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42318fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 42340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 42370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4238bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 42400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 424347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4250bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 4251e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[2] << 8) | p[3]); 4252bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 4253e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[6] << 8) | p[7]); 4254e2440c250d94d64f8c70e596fe90808795aaa07ecristy if ((jng_width == 0) || (jng_height == 0)) 4255e2440c250d94d64f8c70e596fe90808795aaa07ecristy ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 426047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 426347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 426847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42722dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_width: %16lu, jng_height: %16lu\n" 42732dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_color_type: %16d, jng_image_sample_depth: %3d\n" 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 42752dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) jng_width, (unsigned long) jng_height, 42762dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_color_type, jng_image_sample_depth, 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 427847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42802dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_image_interlace_method: %3d" 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 42822dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_image_interlace_method, 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 428447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42862dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_compression_method:%3d\n" 42872dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_filter_method: %3d\n" 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 42892dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_compression_method, 42902dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_filter_method, 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 429447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42958fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 429747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 431373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 431447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 431747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 431916ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 43200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 43270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 433873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 434416ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 43450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 43560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 43750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 437803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 439547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 440247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44038fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 440547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 441447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4416889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (alpha_image != NULL && image_info->ping == MagickFalse) 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4422bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 442403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44318fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 443947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4441889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (alpha_image != NULL && image_info->ping == MagickFalse) 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44508fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 44590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44608fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 44898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 44900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 45008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 45018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 45028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 45038182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 45048182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 45058182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 45068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 450847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4517e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4518cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4519da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 452947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45385eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 45395eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 45400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 454747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45488fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 455816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 455916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 456316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 456416ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4575fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45768fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45838fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 461116ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4616325657913840de53be706fb11ec48ba11b53e808Cristy if (color_image_info == (ImageInfo *) NULL) 4617325657913840de53be706fb11ec48ba11b53e808Cristy { 4618325657913840de53be706fb11ec48ba11b53e808Cristy assert(color_image == (Image *) NULL); 4619325657913840de53be706fb11ec48ba11b53e808Cristy assert(alpha_image == (Image *) NULL); 4620325657913840de53be706fb11ec48ba11b53e808Cristy return((Image *) NULL); 4621325657913840de53be706fb11ec48ba11b53e808Cristy } 4622325657913840de53be706fb11ec48ba11b53e808Cristy 4623325657913840de53be706fb11ec48ba11b53e808Cristy if (color_image == (Image *) NULL) 4624325657913840de53be706fb11ec48ba11b53e808Cristy { 4625325657913840de53be706fb11ec48ba11b53e808Cristy assert(alpha_image == (Image *) NULL); 4626325657913840de53be706fb11ec48ba11b53e808Cristy return((Image *) NULL); 4627325657913840de53be706fb11ec48ba11b53e808Cristy } 4628325657913840de53be706fb11ec48ba11b53e808Cristy 4629325657913840de53be706fb11ec48ba11b53e808Cristy (void) SeekBlob(color_image,0,SEEK_SET); 4630325657913840de53be706fb11ec48ba11b53e808Cristy 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 46340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4635f0eec7524321f1be1bfe568a13ab7d4d0333c814cristy assert(color_image_info != (ImageInfo *) NULL); 4636151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(color_image_info->filename,MagickPathExtent,"%s", 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 46380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 46410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 46520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 46550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46568320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy status=SetImageExtent(image,image->columns,image->rows,exception); 46578320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy if (status == MagickFalse) 46588320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy return(DestroyImageList(image)); 46598320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy 4660bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 466216ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 466416ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 466516ea139d53d867211d3bb0fa859a83de653f687ecristy { 466616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 466716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 466816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 466916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 467016ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 467116ea139d53d867211d3bb0fa859a83de653f687ecristy } 467247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 46780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 468903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 46950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 469816ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4700151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(alpha_image_info->filename,MagickPathExtent, 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 47040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4706bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 470916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 471147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 471217f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 471316ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 471416ea139d53d867211d3bb0fa859a83de653f687ecristy { 471516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 471616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 471716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 471816ea139d53d867211d3bb0fa859a83de653f687ecristy } 47190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 472116ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 472316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 472416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 47258a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 472616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 472716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 47343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 474147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 474247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 47500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 47520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 47530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 47560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 47580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 47690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 477044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 477144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp return((Image *) NULL); 477244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 47760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 48147ee973a2149db53911459cbf26f28eccdbc99efbglennrp *image; 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 481721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 481821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4825151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 4834e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 4837e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(exception->signature == MagickCoreSignature); 4838fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 483916ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 484947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 485047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 485247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48533b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 485647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 485747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 485973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 48600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 486447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 486547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 488247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 48940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4902151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy page_geometry[MagickPathExtent]; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 4905889a928b732161b6353bd880e5ea0802f184c6d4glennrp *image; 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49074383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 490821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 490921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 49104383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4917bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 493516ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4942bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4948bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4965bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 497438ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 497538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 497638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4977bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 499947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 500047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 5002e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 5005e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(exception->signature == MagickCoreSignature); 5006fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 500716ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 50100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 50130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 501747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 501847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 501947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 502073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 50210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 50240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 502547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 502647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 5034151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 503647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 504047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 504147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5044bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 5045bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 504947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 5075151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy type[MagickPathExtent]; 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 5086151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(type,"errr",MagickPathExtent); 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5092e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 5093e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 509644c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp { 509744c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp status=MagickFalse; 509844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp break; 509944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp } 51000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 51030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 51060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51078fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 511047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 511347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5114bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 511647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 512816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 51300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 513916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 51410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 514647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 51510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51528fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 51580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5164f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy if (length != 28) 5165f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy { 5166f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy if (chunk) 5167f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 5168f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy ThrowReaderException(CorruptImageError,"CorruptImage"); 5169f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy } 5170f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy 5171bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 51730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5174bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5180e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5182e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 51868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 51870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 51900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 51970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5198f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy p+=16; 5199f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy simplicity=(size_t) mng_get_long(p); 52000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 52020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 52050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 52080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 521316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 521547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 521616ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 52170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 52200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 52280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5229151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(page_geometry,MagickPathExtent, 5230e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5231f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 52320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5234bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5236bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 52380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 52410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52518fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 52530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 52578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 52580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 52610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5269280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " repeat=%d, final_delay=%.20g, iterations=%.20g", 5270280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp repeat,(double) final_delay, (double) image->iterations); 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 527916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5283f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy if (length < 2) 5284f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy { 5285f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy if (chunk) 5286f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 5287f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy ThrowReaderException(CorruptImageError,"CorruptImage"); 5288f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy } 5289f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 52910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 529316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5300edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 530316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 531216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 53200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 53230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 53300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 53310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 53330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 53340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5338280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " x_off[%d]: %.20g, y_off[%d]: %.20g", 5339280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->x_off[object_id], 5340280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->y_off[object_id]); 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 53500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 53570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 53800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 53830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 539516ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 540647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 540947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 541047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 54160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5417bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 542435ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54348fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 54390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 544347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5448f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy if (length > 0 && length < 257) 5449bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 545612560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5464bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54678182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 54740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 548147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 548247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 54868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 54878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 54898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 54918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 54938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 54958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 54978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 550247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 550647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55128fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5514e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5515cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 552047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 552447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5527fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55328fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 553447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 553747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 554116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 55440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 55470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 555147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55528fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 55550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 55590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 556247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 556347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 556547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5566bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 556847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 557047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5571bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 55793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 558247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 55868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 55870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55888182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 55898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 55900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5591bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5592bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 55930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 55960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5601e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 560347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5606bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5607bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 56080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5609bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5610bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 56110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5612bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5613bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 56140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56153a89fa4ae8254eda5e264fb9d6bfd97ea3022773glennrp if (change_timeout == 2) 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 56170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 56190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5622e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 562447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 56300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5634e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5635e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 563647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 56440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5645bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 56470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5648bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5656e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5657e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 56580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 566247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 566316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 566516ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 566647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 567347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 56780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 56880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 56968a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 569816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 56990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 57020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5703e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5704e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5710a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5720a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (length > 3) 5721a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5722a454cdcb00e5a619edb3eac3070b649569448e4aglennrp first_object=(p[0] << 8) | p[1]; 5723a454cdcb00e5a619edb3eac3070b649569448e4aglennrp last_object=(p[2] << 8) | p[3]; 5724a454cdcb00e5a619edb3eac3070b649569448e4aglennrp p+=4; 572547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5726a454cdcb00e5a619edb3eac3070b649569448e4aglennrp for (i=(int) first_object; i <= (int) last_object; i++) 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5728a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (mng_info->exists[i] && !mng_info->frozen[i]) 5729a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5730a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngBox 5731a454cdcb00e5a619edb3eac3070b649569448e4aglennrp box; 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5733a454cdcb00e5a619edb3eac3070b649569448e4aglennrp box=mng_info->object_clip[i]; 5734a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if ((p-chunk) < (ssize_t) (length-17)) 5735a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->object_clip[i]= 5736a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_read_box(box,(char) p[0],&p[1]); 5737a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 573947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5740a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5744a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57578fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 576547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 576647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5775bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5778f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy for (j=1; j < (ssize_t) length; j+=2) 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5780f8d9cb8ed035c1b7df0bb5c73c40038d431eb39fCristy i=p[j-1] << 8 | p[j]; 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57858fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5793bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 579747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 579847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5799a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (length > 3) 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5801a454cdcb00e5a619edb3eac3070b649569448e4aglennrp first_object=(p[0] << 8) | p[1]; 5802a454cdcb00e5a619edb3eac3070b649569448e4aglennrp last_object=(p[2] << 8) | p[3]; 5803a454cdcb00e5a619edb3eac3070b649569448e4aglennrp p+=4; 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5805a454cdcb00e5a619edb3eac3070b649569448e4aglennrp for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 5806a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5807a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (mng_info->exists[i] && !mng_info->frozen[i] && 5808a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (p-chunk) < (ssize_t) (length-8)) 5809a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5810a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngPair 5811a454cdcb00e5a619edb3eac3070b649569448e4aglennrp new_pair; 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5813a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngPair 5814a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair; 5815a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 5816a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair.a=mng_info->x_off[i]; 5817a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair.b=mng_info->y_off[i]; 5818a454cdcb00e5a619edb3eac3070b649569448e4aglennrp new_pair=mng_read_pair(old_pair,(int) p[0],&p[1]); 5819a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->x_off[i]=new_pair.a; 5820a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->y_off[i]=new_pair.b; 5821a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 5822a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 582447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5831bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 583224e6d42307643613e0430bac65beddf8a43671bdglennrp if (length > 4) 5833a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5834a454cdcb00e5a619edb3eac3070b649569448e4aglennrp loop_level=chunk[0]; 5835a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_active[loop_level]=1; /* mark loop active */ 583647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5837a454cdcb00e5a619edb3eac3070b649569448e4aglennrp /* Record starting point. */ 5838a454cdcb00e5a619edb3eac3070b649569448e4aglennrp loop_iters=mng_get_long(&chunk[1]); 58390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5840a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (logging != MagickFalse) 5841a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5842a454cdcb00e5a619edb3eac3070b649569448e4aglennrp " LOOP level %.20g has %.20g iterations ", 5843a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (double) loop_level, (double) loop_iters); 58440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5845a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (loop_iters == 0) 5846a454cdcb00e5a619edb3eac3070b649569448e4aglennrp skipping_loop=loop_level; 58470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5848a454cdcb00e5a619edb3eac3070b649569448e4aglennrp else 5849a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5850a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_jump[loop_level]=TellBlob(image); 5851a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_count[loop_level]=loop_iters; 5852a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 58530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5854a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_iteration[loop_level]=0; 5855a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 586224e6d42307643613e0430bac65beddf8a43671bdglennrp if (length > 0) 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 586424e6d42307643613e0430bac65beddf8a43671bdglennrp loop_level=chunk[0]; 586524e6d42307643613e0430bac65beddf8a43671bdglennrp 586624e6d42307643613e0430bac65beddf8a43671bdglennrp if (skipping_loop > 0) 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 586824e6d42307643613e0430bac65beddf8a43671bdglennrp if (skipping_loop == loop_level) 586924e6d42307643613e0430bac65beddf8a43671bdglennrp { 587024e6d42307643613e0430bac65beddf8a43671bdglennrp /* 587124e6d42307643613e0430bac65beddf8a43671bdglennrp Found end of zero-iteration loop. 587224e6d42307643613e0430bac65beddf8a43671bdglennrp */ 587324e6d42307643613e0430bac65beddf8a43671bdglennrp skipping_loop=(-1); 587424e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_active[loop_level]=0; 587524e6d42307643613e0430bac65beddf8a43671bdglennrp } 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 587824e6d42307643613e0430bac65beddf8a43671bdglennrp else 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 588024e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_active[loop_level] == 1) 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 588224e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_count[loop_level]--; 588324e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_iteration[loop_level]++; 58840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 588524e6d42307643613e0430bac65beddf8a43671bdglennrp if (logging != MagickFalse) 588624e6d42307643613e0430bac65beddf8a43671bdglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 588724e6d42307643613e0430bac65beddf8a43671bdglennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 588824e6d42307643613e0430bac65beddf8a43671bdglennrp (double) loop_level,(double) 588924e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_count[loop_level]); 589047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 589124e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_count[loop_level] != 0) 589224e6d42307643613e0430bac65beddf8a43671bdglennrp { 589324e6d42307643613e0430bac65beddf8a43671bdglennrp offset= 589424e6d42307643613e0430bac65beddf8a43671bdglennrp SeekBlob(image,mng_info->loop_jump[loop_level], 589524e6d42307643613e0430bac65beddf8a43671bdglennrp SEEK_SET); 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 589724e6d42307643613e0430bac65beddf8a43671bdglennrp if (offset < 0) 589824e6d42307643613e0430bac65beddf8a43671bdglennrp ThrowReaderException(CorruptImageError, 589924e6d42307643613e0430bac65beddf8a43671bdglennrp "ImproperImageHeader"); 590024e6d42307643613e0430bac65beddf8a43671bdglennrp } 590124e6d42307643613e0430bac65beddf8a43671bdglennrp 590224e6d42307643613e0430bac65beddf8a43671bdglennrp else 590324e6d42307643613e0430bac65beddf8a43671bdglennrp { 590424e6d42307643613e0430bac65beddf8a43671bdglennrp short 590524e6d42307643613e0430bac65beddf8a43671bdglennrp last_level; 590624e6d42307643613e0430bac65beddf8a43671bdglennrp 590724e6d42307643613e0430bac65beddf8a43671bdglennrp /* 590824e6d42307643613e0430bac65beddf8a43671bdglennrp Finished loop. 590924e6d42307643613e0430bac65beddf8a43671bdglennrp */ 591024e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_active[loop_level]=0; 591124e6d42307643613e0430bac65beddf8a43671bdglennrp last_level=(-1); 591224e6d42307643613e0430bac65beddf8a43671bdglennrp for (i=0; i < loop_level; i++) 591324e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_active[i] == 1) 591424e6d42307643613e0430bac65beddf8a43671bdglennrp last_level=(short) i; 591524e6d42307643613e0430bac65beddf8a43671bdglennrp loop_level=last_level; 591624e6d42307643613e0430bac65beddf8a43671bdglennrp } 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 592816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 593147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 593447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 59510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 59540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 59570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 596416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 596847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 597447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 598047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 598347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 598947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 599247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 599847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 600147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 600747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 601047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 601647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 601947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 602547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 602847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 603447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 603847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 604216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 604647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 606547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 606916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 607247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 607547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 607916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 608247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 608547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 609047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 61068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 61088182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 611247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 611916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 612747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 612916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 613247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 6135bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 6137bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 614547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 614847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 615147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 615447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 615747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 616047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 616347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 617447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 617747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 618247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 61908fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 61913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 619247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 619947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 620247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 620847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 621647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62178182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 62188182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6233bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 623516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 624016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 624147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 624847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 625247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 625947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 626247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 626347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 626447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 62723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 627316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6276e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6277e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 628816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 629316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 629447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 630147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 631647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 63258a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 632616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 63270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6331e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6332e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 633647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 633716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 634216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 634347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 635047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 63560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 63680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 638347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 638747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 639247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6393bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 639447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 640547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6413889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (logging != MagickFalse) 6414889a928b732161b6353bd880e5ea0802f184c6d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6415889a928b732161b6353bd880e5ea0802f184c6d4glennrp "exit ReadJNGImage() with error"); 641647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 64323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 644947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 645247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 645447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 645547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 645747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64604e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 646147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 646447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 646747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 646947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 647047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 647247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 647647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 647947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 648147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 648247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 648447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64874e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 648847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 649147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 649447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 649647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 649747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 649947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 650916ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 651016ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 651116ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 651216ea139d53d867211d3bb0fa859a83de653f687ecristy 651316ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 651416ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 651516ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 651616ea139d53d867211d3bb0fa859a83de653f687ecristy 6517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 652116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 652516ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 652616ea139d53d867211d3bb0fa859a83de653f687ecristy x; 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 652847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 652947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 653347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 653416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 653547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65513faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6559bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 656347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6564bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 656616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 656716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 656816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 656916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 657016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 657116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 657216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 657316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 657416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 657647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 658517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 658616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 658747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 659016ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 659116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 659247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 659547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 659847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 660147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6610e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6611bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 66134f7c434c6c7047588b48a5b71281f9ecf4c9d1accristy length=(size_t) GetPixelChannels(image)*image->columns; 661416ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 661516ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 661647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 661716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 661816ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 662547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 662847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6629bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6632bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 663347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6634bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6635bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 663647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6637bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6638bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 663947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6640bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 664247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6644bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 664547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 664947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6650bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 665647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 665916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6662bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 66669fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 666716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 666816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 666947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6670bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6672fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6681bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 668216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 668316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 668416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 668516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 668616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 668716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 668816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6694bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 669516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 669616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 669716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 669816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 669916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 670016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 670116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 670216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6703bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 670447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 670816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 670916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 671016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6711bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 671216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 671316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 671416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 671516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6716bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 671716ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 671816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 671916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 672016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6721bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 672216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 672347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 672417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 672516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 672616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 672716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6728bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 672916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 673147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 673616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 673716ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 673916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 674016ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 674347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6748bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 674916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 675016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 675116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 675216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 675316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 675416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 675516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 675616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6757bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 675847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6760bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 676116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 676216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 676316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 676416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 676516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 676616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 676716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6768bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 676947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 677216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 677316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 677416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6775bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 677616ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 677916ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 678016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 678116ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 678347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 678647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 678947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 679016ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 679116ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 68003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 68023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 68043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6808e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6810bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 681216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 681616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 681716ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 681847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6819bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6820bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 682216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 68237c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6824bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6825bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 682647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6827bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6828bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 682947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6830bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6831bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 683247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6833bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 683547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6837bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 683847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 684416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 684516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 684616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 684716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 68483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 684947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6853bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 685416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 685516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 685616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 685716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6858bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 685947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 686016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 68613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 686416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 686516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 686616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6867bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 686816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6869bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 687016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 687116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 687216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6873bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 687416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6875bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 687616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 687716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 687816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6879bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 688016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 688117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 688216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 688316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 688416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6885bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 688616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 688847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 68903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6893bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 689416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 689516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6896bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6898bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 689916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 690016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6901bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 690447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 69083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6909bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 691016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 691116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 691216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 691316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6914bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 691547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6917bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 691816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 691916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 692016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 692116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6922bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 692347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 692716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 692816ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 692916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6930bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 693116ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 693416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 693616ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 693847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69423faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 69473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6948bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 695147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6952bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 695416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 695516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 695616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 695716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 695816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 695916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 696016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 696116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 696216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 696447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 69853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 69933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 699847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 70033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 70043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 70063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 70073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 70103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 70133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 7014bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 7015bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 70163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 70173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 702147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 70253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 70283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 70303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 70313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 703347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 704416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70562b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 70572b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 705816ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 70592b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 70602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 70612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 70622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 70632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 70643faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7065cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 7066cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 7067cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7068cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7069cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7070cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 707116ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 70728640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7074d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 7078bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7081d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 7085d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 708747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 708947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 709347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 71013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 71040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 710516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 711016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 71113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 71123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 711547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 711947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 71253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 71283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 71318a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 71320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 713416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 71350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 71393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 71400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 715147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 715216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 71543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 715547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 71600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 716547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 716616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 71683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 717147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 71733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 71743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 717947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 718016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 71833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 718447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 71863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 719047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 719116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 719347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 719647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 72040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 72070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 72093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 72100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 721547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 72173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 72203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 72210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 72230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7226e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7227e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 72280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 723647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 723947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7241e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 724247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7247e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7259bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 726447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 726616ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 726747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 727047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 72723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 727347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 72793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 728247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 728547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 72893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 730247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 731247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 731547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7317e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7318e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 731947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7321f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7322f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 732347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7324f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7325e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7326e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7327f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7328f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 732947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 733347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 733647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 733925c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 734447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 734747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 735047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 735525c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 73703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7378bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7381bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 73823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 7384151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy version[MagickPathExtent]; 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 739447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 740047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 740847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 7410151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,"libpng ",MagickPathExtent); 7411151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MagickPathExtent); 741247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7415151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,",",MagickPathExtent); 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 7417151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickPathExtent); 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 742047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 742106b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","MNG","Multiple-image Network Graphics"); 742208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags|=CoderSeekableStreamFlag; /* To do: eliminate this. */ 742347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 742847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 743047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 743347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7434afc97b1e31b78c973c4bf5e0be8d5090cfca8065glennrp entry->mime_type=ConstantString("video/x-mng"); 74353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 743806b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG","Portable Network Graphics"); 743947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 744447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 744608e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7447d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 744847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 745147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 74533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 745506b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG8", 745606b627a07ff44e1ff93ef1288c9f428066ded10ddirk "8-bit indexed with optional binary transparency"); 745747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 746247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 746408e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7465d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 746806b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG24", 746906b627a07ff44e1ff93ef1288c9f428066ded10ddirk "opaque or binary transparent 24-bit RGB"); 74703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 747147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 7473151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,"zlib ",MagickPathExtent); 7474151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MagickPathExtent); 747547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 74773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7478151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,",",MagickPathExtent); 7479151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,zlib_version,MagickPathExtent); 74803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 748247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 748547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 749047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 749208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7493d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 749606b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG32","opaque or transparent 32-bit RGBA"); 749747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 75003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 75013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 750247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 750408e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7505d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 75063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 75073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 750806b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG48", 750906b627a07ff44e1ff93ef1288c9f428066ded10ddirk "opaque or binary transparent 48-bit RGB"); 7510fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7511fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7512fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7513fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7514fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7515fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7516fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 751708e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7518d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7519fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7520fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 752106b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG64","opaque or transparent 64-bit RGBA"); 7522fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7523fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7524fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7525fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7526fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7527fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7528fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 752908e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7530d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7531fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7532fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 753306b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG00", 7534698aab67f255491ec6bd984c9d0163990df57622glennrp "PNG inheriting bit-depth, color-type from original, if possible"); 75355830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75365830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 75375830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 75385830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 75395830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#endif 75405830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75415830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 754208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7543d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 75445830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) RegisterMagickInfo(entry); 75455830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 754606b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","JNG","JPEG Network Graphics"); 754747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 75493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 755447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 755608e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 75577fee329aec1090ff832c1b07fc4cc70c3b604f65glennrp entry->mime_type=ConstantString("image/x-jng"); 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 756047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7561868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 75623d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy ping_semaphore=AcquireSemaphoreInfo(); 756318b17443128598500357da7bff2f01683cf32890cristy#endif 756447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 75743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 75853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 7594fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG48"); 7595fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG64"); 75965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) UnregisterMagickInfo("PNG00"); 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 759847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7599868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 7600cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 76013d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy RelinquishSemaphoreInfo(&ping_semaphore); 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 76033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 760625c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 76203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 762516ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 762616ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 76293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 763416ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 76373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 76413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 76443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 76463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 76493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 76503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 76513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 76523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 76653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 76703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 76733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 76763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 76773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 76793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 76813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 76823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7684cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 76853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 76863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 76903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7691bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 76933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 77023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 77033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 77063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 77093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 77113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 77130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 77143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7716ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7717a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7718a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7719a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7720a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7724ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7725a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7726a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7727a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7728a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7729a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7730a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7731a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 7734151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy "Raw profile type ",MagickPathExtent); 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 77363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 77373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 77403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 77413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77433b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7744f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 77453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 774647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7747bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 77503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 77523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 77533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 775447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 77573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 77583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 77593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 77603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 776147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 77633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 776447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 77673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7770cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 77714383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 77723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 77733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 77743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 77753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 77773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 77783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 77813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 77833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 778547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 778647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 778747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 77883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 778947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 77913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7793cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 77943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 779547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 779647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 779747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 779847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 779947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 780047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7801cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7802cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7803cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 780447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 780547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 780647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 780747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 780847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 780947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 781047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7811cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 781247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 78133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 781447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 78153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 78163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 781747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 78183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 78193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 78203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 782168a6b50ae30f5a551cd31d6e4b0c72990897a84fdirkstatic inline MagickBooleanType Magick_png_color_equal(const Image *image, 782268a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk const Quantum *p, const PixelInfo *q) 782368a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk{ 782468a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk MagickRealType 782568a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk value; 782668a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk 782768a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk value=(MagickRealType) p[image->channel_map[RedPixelChannel].offset]; 782868a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (AbsolutePixelValue(value-q->red) >= MagickEpsilon) 782968a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk return(MagickFalse); 783068a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk value=(MagickRealType) p[image->channel_map[GreenPixelChannel].offset]; 783168a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (AbsolutePixelValue(value-q->green) >= MagickEpsilon) 783268a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk return(MagickFalse); 783368a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk value=(MagickRealType) p[image->channel_map[BluePixelChannel].offset]; 783468a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (AbsolutePixelValue(value-q->blue) >= MagickEpsilon) 783568a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk return(MagickFalse); 783668a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk 783768a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk return(MagickTrue); 783868a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk} 783968a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk 7840fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 7841fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void write_tIME_chunk(Image *image,png_struct *ping,png_info *info, 7842fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char *date,ExceptionInfo *exception) 7843fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 7844fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk unsigned int 7845fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk day, 7846fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk hour, 7847fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk minute, 7848fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk month, 7849fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk second, 7850fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk year; 7851fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7852fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_time 7853fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime; 7854fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7855fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time_t 7856fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ttime; 7857fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7858fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (date != (const char *) NULL) 7859fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7860fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (sscanf(date,"%d-%d-%dT%d:%d:%dZ",&year,&month,&day,&hour,&minute, 7861fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk &second) != 6) 7862fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7863fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 7864fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk "Invalid date format specified for png:tIME","`%s'", 7865fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk image->filename); 7866fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk return; 7867fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7868fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.year=(png_uint_16) year; 7869fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.month=(png_byte) month; 7870fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.day=(png_byte) day; 7871fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.hour=(png_byte) hour; 7872fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.minute=(png_byte) minute; 7873fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.second=(png_byte) second; 7874fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7875fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 7876fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7877fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time(&ttime); 7878fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_convert_from_time_t(&ptime,ttime); 7879fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7880fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_set_tIME(ping,info,&ptime); 7881fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 7882fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 7883b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7884b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 78853ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 788616ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 78873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 78880997332e2c35a821b271d6e7473c01c10dc206adcristy char 78890997332e2c35a821b271d6e7473c01c10dc206adcristy im_vers[32], 78900997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_runv[32], 78910997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_vers[32], 78920997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_runv[32], 78930997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_vers[32]; 78940997332e2c35a821b271d6e7473c01c10dc206adcristy 789516ea139d53d867211d3bb0fa859a83de653f687ecristy Image 789616ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 789716ea139d53d867211d3bb0fa859a83de653f687ecristy 789816ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 789916ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 790016ea139d53d867211d3bb0fa859a83de653f687ecristy 79013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 79023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 79033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 79053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 79063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 79073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 79083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 79103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 79113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 79133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7914cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7915cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7916e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7917e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 79185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 791939992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 792039992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 79213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 79235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 79245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 79255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 79263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 79273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 79283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 79303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 79313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 79335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 79345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 79355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7936bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 79373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 79383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 794058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 794121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 794258e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 794358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7944da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7945fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7946d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 79478d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 794839992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7949991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7950918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP, 7951991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7952918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB, 7953991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 795426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 795526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 795626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7957a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7958e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 795926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 796026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 796126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 796226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 796326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 796426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 796526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7966fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME, 7967e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 796826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 796926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 797026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 797126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 79728d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 7973ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 79740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 79750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 797682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 79778ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7978d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7979d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 79803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79810997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 7982af1534a4abd2d6ef7f7e2833b95400301faff3d3cristy *volatile pixel_info; 79830997332e2c35a821b271d6e7473c01c10dc206adcristy 79843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 79853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 79863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 798716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 798816ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 798916ea139d53d867211d3bb0fa859a83de653f687ecristy 7990bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 79913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 79923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 79933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79950997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 7996d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 79975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7998f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 79990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 80005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 80015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 80025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 80035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 80045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 80055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8006bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 80075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 80085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 80093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8010bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 80113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 80123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 80133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 80143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8015dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 8016fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 8017f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 80188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 80198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 80208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 8021dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 8022dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8023dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 8024dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 8025dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 8026dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 80273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 8028fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 80293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 803016ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 803116ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 803216ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 803316ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 8034b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 8035d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 8036d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 8037d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 8038d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 8039d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 8040151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickLibVersionText,MagickPathExtent); 8041d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 8042151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickLibAddendum,MagickPathExtent); 8043ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 8044d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 8045d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 8046ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 8047ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 8048ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 8049ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 8050ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 8051d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 8052d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 8053ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 8054ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 8055ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 8056ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 8057ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 80588fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 8059d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 8060d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," IM version = %s", 8061d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp im_vers); 8062d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Libpng version = %s", 8063d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp libpng_vers); 8064ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 8065ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8066ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8067ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv); 8068ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8069d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 8070d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp zlib_vers); 8071ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 8072ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8073ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8074ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv); 8075ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8076d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 8077d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 80785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 80790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 80805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 80815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 80825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 80835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 80845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 80855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 80875af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 80885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 80895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 80905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 80915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 80935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 80945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 80955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 80965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8097dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 8098dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 8099dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 8100dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8101da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 8102f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp ping_have_cheap_transparency=MagickFalse; 8103d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 81048d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 810539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 8106991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 8107918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP=MagickFalse; 8108991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 8109918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB=MagickFalse; 8110991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 8111991d11dd9c33e65872778b81aff1347cd2878154glennrp 81120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 81130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 8114a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 8115dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 81160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 81170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 81180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 81190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 81200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 81210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 81220e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 8123fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME=mng_info->ping_exclude_tIME; 8124dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 81250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 81260e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 81270e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 81280e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 81298d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 8130ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = mng_info->ping_preserve_iCCP; 81310e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 81320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 81330d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 81340d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 81350d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 81360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 81370d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 8138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8139ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * To do: recognize other variants of the sRGB profile, using the CRC to 8140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * verify all recognized variants including the 7 already known. 8141ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8142ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Work around libpng16+ rejecting some "known invalid sRGB profiles". 8143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Use something other than image->rendering_intent to record the fact 8145ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * that the sRGB profile was found. 8146ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8147ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Record the ICC version (currently v2 or v4) of the incoming sRGB ICC 8148ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * profile. Record the Blackpoint Compensation, if any. 81490d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 8150ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_exclude_sRGB == MagickFalse && ping_preserve_iCCP == MagickFalse) 81510d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81520d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 81530d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 81540d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81550d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 81560d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 81570d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81580d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 81590d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 81600d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81610d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 81620d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81630d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 81640d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81650d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 8166ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (LocaleCompare(name,"ICM") == 0)) 8167ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 8168ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8169ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 8170ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 8171ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 81720d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81730d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8174ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 8175ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 8176ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 817729a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8178ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 8179ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 81800d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8181ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 818229a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8183ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 818429a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 8185ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 8186ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8187ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 8188ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8189ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8190ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 8191ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 81920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8193ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 8194ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 81950d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8196ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8197ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 8198ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 8199ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8200ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 8201ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 8202ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8203ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8204ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 8205ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 8206ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 8207ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 8208ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8209ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 8210ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 8211ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 8212ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8213ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_iCCP = MagickTrue; 8214ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_zCCP = MagickTrue; 8215ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_sRGB = MagickTrue; 8216ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 8217ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 821829a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 82190d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 8220ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 822129a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8222ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 822329a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 822429a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 82250d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 82260d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 82270d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 82280d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 82290d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 82308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 82318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 82328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 82338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8234fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8235fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8236fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 8237fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8238f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=UndefinedClass"); 8239fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 8240fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8241f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=DirectClass"); 8242fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 8243fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8244f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=PseudoClass"); 8245f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->taint ? 8246cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickTrue": 8247cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickFalse"); 8248fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 824928af3713c9111a471cc868c787760de89236fa3cglennrp 8250750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 82517e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 8252fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 8253fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->write_png_colortype != 1 && 8254fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype != 5))) 82557e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 825616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82577e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 82587e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 82597e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 8260c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 826128af3713c9111a471cc868c787760de89236fa3cglennrp { 8262c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 8263c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8264c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 8265c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8266c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8267c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 8268e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 8269c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 8270c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 827128af3713c9111a471cc868c787760de89236fa3cglennrp } 8272bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8273c28acd632b7ea1724a54191d15db932f2e4d25e6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 827416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 82750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82763241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 82773241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 82783241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 82793241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 82803241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 828116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82823241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8283a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 8284a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 8285a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 8286a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 8287a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8288a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 8289a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8290a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 8291a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 8292a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 8293a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 82948e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 8295cd979955e4249aab3bdd79043718fa3b120239b8dirk if (image->depth < 4) 829667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 829716ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 82988e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 82998e58efdecda887b08ef730d68290a61081ef2566glennrp 8300aac49630945ded4a68aca4f7c892e18b21afeba8dirk if (image->depth > 2) 83018e58efdecda887b08ef730d68290a61081ef2566glennrp { 83028e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 830391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 83048e58efdecda887b08ef730d68290a61081ef2566glennrp 83058e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83068e58efdecda887b08ef730d68290a61081ef2566glennrp { 830716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83088e58efdecda887b08ef730d68290a61081ef2566glennrp 830916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83108e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83118e58efdecda887b08ef730d68290a61081ef2566glennrp 83128e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83138e58efdecda887b08ef730d68290a61081ef2566glennrp { 831416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 831516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83168e58efdecda887b08ef730d68290a61081ef2566glennrp } 8317bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83188e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83198e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83208e58efdecda887b08ef730d68290a61081ef2566glennrp } 83218e58efdecda887b08ef730d68290a61081ef2566glennrp 83228e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83238e58efdecda887b08ef730d68290a61081ef2566glennrp { 83243e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83258e58efdecda887b08ef730d68290a61081ef2566glennrp { 832691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 83278e58efdecda887b08ef730d68290a61081ef2566glennrp } 83288e58efdecda887b08ef730d68290a61081ef2566glennrp } 83298e58efdecda887b08ef730d68290a61081ef2566glennrp } 83308e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 83318e58efdecda887b08ef730d68290a61081ef2566glennrp { 83328e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 833391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 83348e58efdecda887b08ef730d68290a61081ef2566glennrp 83358e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83368e58efdecda887b08ef730d68290a61081ef2566glennrp { 833716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83388e58efdecda887b08ef730d68290a61081ef2566glennrp 833916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83408e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83418e58efdecda887b08ef730d68290a61081ef2566glennrp 83428e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83438e58efdecda887b08ef730d68290a61081ef2566glennrp { 834416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 834516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83468e58efdecda887b08ef730d68290a61081ef2566glennrp } 8347bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83488e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83498e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83508e58efdecda887b08ef730d68290a61081ef2566glennrp } 83518e58efdecda887b08ef730d68290a61081ef2566glennrp 83528e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83538e58efdecda887b08ef730d68290a61081ef2566glennrp { 83543e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83558e58efdecda887b08ef730d68290a61081ef2566glennrp { 835691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 83578e58efdecda887b08ef730d68290a61081ef2566glennrp } 83588e58efdecda887b08ef730d68290a61081ef2566glennrp } 83598e58efdecda887b08ef730d68290a61081ef2566glennrp } 83608e58efdecda887b08ef730d68290a61081ef2566glennrp else 83618e58efdecda887b08ef730d68290a61081ef2566glennrp { 83628e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 836391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 83648e58efdecda887b08ef730d68290a61081ef2566glennrp 83658e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83668e58efdecda887b08ef730d68290a61081ef2566glennrp { 836716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83688e58efdecda887b08ef730d68290a61081ef2566glennrp 836916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83708e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83718e58efdecda887b08ef730d68290a61081ef2566glennrp 83728e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83738e58efdecda887b08ef730d68290a61081ef2566glennrp { 837416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 837516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83768e58efdecda887b08ef730d68290a61081ef2566glennrp } 8377bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83788e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83798e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83808e58efdecda887b08ef730d68290a61081ef2566glennrp } 83818e58efdecda887b08ef730d68290a61081ef2566glennrp 83828e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83838e58efdecda887b08ef730d68290a61081ef2566glennrp { 83843e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83858e58efdecda887b08ef730d68290a61081ef2566glennrp { 838691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 83878e58efdecda887b08ef730d68290a61081ef2566glennrp } 83888e58efdecda887b08ef730d68290a61081ef2566glennrp } 83898e58efdecda887b08ef730d68290a61081ef2566glennrp } 8390cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8391cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 839267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 839367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 839470e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8395a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 83962b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 83972b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 83982b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 83992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 84008e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 84012b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 84022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 84032b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 84043faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8405cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8406cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8407cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8408cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8409cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8410cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8411c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 841216ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 84138640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 84148640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 84158640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8416d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp image_colors = (int) image->colors; 8417d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_opaque = (int) image->colors; 8418d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_transparent = 0; 8419d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_semitransparent = 0; 8420d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 8421197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype && 8422a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8423a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 842417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image->alpha_trait == UndefinedPixelTrait))) 8425a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8426a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8427a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8428a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8429a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8430a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8431a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8432a8036d6466b63ead629795b60772f160cca77c4cglennrp 843317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 8434a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8435a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8436a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8437a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8438a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8439a8036d6466b63ead629795b60772f160cca77c4cglennrp 8440eb5cb8dae42f21ec99df00cae387c3308aba18e6glennrp if (mng_info->write_png_colortype < 7) 8441a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8442a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8443a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8444a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8445e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8446e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 84478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 84488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 84498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 84508ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8451c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 845282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 845482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8455d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 845682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8459a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 84698a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8470d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8474d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 84828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 848316ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 84878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 848816ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 848916ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8490d6bf1617e99df0272b231855a933a74e99b6578fglennrp 849116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 849216ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8493fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8494fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8495d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8498d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8499d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8500d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8502d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8504d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8505d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85068a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 850703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 85093c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8510fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 85117ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 85127ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8513d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 85148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 851516ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 85162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8517d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 85187ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8519d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8520d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8521d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8522d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8523d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8524d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 852516ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 85267ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 85272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8528d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8530d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8531d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8532d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8533d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8534d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8535d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8536d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8537d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 853816ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8540d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8541d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8544d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 854583c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 854716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 854816ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 85497ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 85508d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 85518d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85528d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85547ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8555d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8556fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8557fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8558fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 85592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8562d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85637ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 856416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8565d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 856697fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8567d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8568d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856917f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait || 857016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 85718d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8572d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 85738d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8574d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 857616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 857716ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8579d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8580d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8581d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8582d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 858368a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (Magick_png_color_equal(image,q,opaque+i)) 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8586d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 858716ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8588d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 859016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 859116ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8592d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85938d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85948d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 859516ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 85968d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8597d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 85988d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8599d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8600d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 860116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 860216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 860316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 860416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 860516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 860616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 860716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 860816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8609972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8610d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8611d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8612d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8613d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8614d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 861568a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (Magick_png_color_equal(image,q,transparent+i)) 8616d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8617d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8618d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8619d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8620d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8621d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8622d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 862316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8624d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86258d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 86268d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8627d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8628d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8629d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8630d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8631d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8632d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 863316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8634d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8635d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86368d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8637d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8638d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 863968a6b50ae30f5a551cd31d6e4b0c72990897a84fdirk if (Magick_png_color_equal(image,q,semitransparent+i) 864016ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 864116ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8642d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8643d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8644d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8645d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8646d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8647d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8648d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 864916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8650d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8651d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 865316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8654d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8655d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86563c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 86574054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 86584054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8659d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8660d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8661d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8662d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8663c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8664c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8665c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8666c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8667c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8668c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8669c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8670c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8671d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8672d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8673ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8674ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8675ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8676ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8677d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8678d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 867903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 86808e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8681c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8682388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8683c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8684c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8685c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8686c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8687c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8688c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 868903812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8690a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8691a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8692a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8693d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8695d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 86963241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8697d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8698d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8699d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8700d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8701d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 87023241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8703d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8704d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8705d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8706d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 87073241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 87088d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 87098d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 87108d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8711fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8712d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8713d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 87140fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 87150fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 871645d4c34ce93ff377b9671844ffa1153b821061f6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 87170fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 871896bc620815234aaec28b928df51d1754cbe390dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 871996bc620815234aaec28b928df51d1754cbe390dcglennrp "incompatible colorspace"); 87207fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 872198b95773e388844e22c6e4006bb88396b33cf6b4glennrp ping_have_non_bw=MagickTrue; 87220fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 87230fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8724d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8725d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8726d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8727d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8728d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 87296185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 873016ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8731d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 87326185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8733e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8734e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8735e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 873616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 873716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8738e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8739e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8740e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8741e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8742e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 874316ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8744e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8745e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8746e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8747e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8748e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8749d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8750d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8751d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 87526185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8753d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8754d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8755d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8756d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 87576185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 875816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 875916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8760d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8761d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8762e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8763d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 876416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8765d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8766e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8767d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8768bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8769bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 87704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8771d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8772d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 877316ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8774d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8775bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8776d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8777d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8778d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8779d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8780d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8781d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8782d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8783d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8784d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8785d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8786d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 87873241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8788d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8789d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 87903241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8791d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8792d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8793d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8794d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8795d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8796d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8797c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8798c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8799bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8800d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8801d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8802d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8803d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8804d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8805d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8806d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8807d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8808d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8809d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8810d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8811d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8812d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8813d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8814d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8815d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8816d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8817d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8818d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8819d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8820d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8821d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8823d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8824d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8825d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8826d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8827d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8828d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8829d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 88306185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8831d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8832d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8833d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8834d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 88352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8836d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8837d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8838d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8839d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8840d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8841d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 884216ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8843d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 88443faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 88453faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8846d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8847d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8848d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8849d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8850d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8851d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8852d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8853d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8854d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8855bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8856d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8857d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8858d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8859d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8860fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8861fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8862d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8863d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 886416ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 88653c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 886616ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8867d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88683c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8869d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8870d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8871d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 887203812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 887317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((image->alpha_trait == UndefinedPixelTrait || 887416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 887516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 887616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 887716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 88786185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 887916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8880d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88816185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 888203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 888316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8884d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8885d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8886d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8887d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8888d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8889d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8890d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8891d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8892d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8893d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8894d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8895d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8896d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8897d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8898d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8899d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 890016ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 890183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8902d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8903d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 890472988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8905d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8906d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8907d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8908d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8909d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8910d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8911d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 891216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8913d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 89146185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 89156185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 89163c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8917d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8918d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8919d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8920d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8921d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 89223c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8923d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8924d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 89253c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8926d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8927d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8928d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8929d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 893003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8931d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8932d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8933d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 89346185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8935d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8936d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8937d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8938d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 89396185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8940d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8941d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8942d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8943a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8944d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8945d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8946d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8947a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8948d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8949d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8950d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8951d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8952d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8953d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8954d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 89556185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 895603812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 895703812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8958d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 89593c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8960c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8961c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8962fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8963c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8964c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8965c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8966c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8967c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8968c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8969fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8970c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8971130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8972130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8973130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8974c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8975130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8976c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8977c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8978c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8979fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8980c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8981c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 898216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8983fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 898416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8985c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8986fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8987c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8988c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 898916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 89908ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 899111a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy SetPixelViaPixelInfo(image,&image->background_color,r); 899216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 89938ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 89948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 899516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 899616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8997c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8998bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8999c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9000c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9001fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9002c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 9003c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 9004c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 900516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 900616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 900716ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 9008c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9009c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9010c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9011c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9012c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 9013e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 9014e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 9015e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 9016c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 9017d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9018d337164012450d70d62e71cf4a308a29004f7d57glennrp { 9019d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 9020d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9021d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 9022d337164012450d70d62e71cf4a308a29004f7d57glennrp 9023d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 9024d337164012450d70d62e71cf4a308a29004f7d57glennrp 902591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 9026d337164012450d70d62e71cf4a308a29004f7d57glennrp 9027d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 9028d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9029d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 9030d337164012450d70d62e71cf4a308a29004f7d57glennrp 9031d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 9032d337164012450d70d62e71cf4a308a29004f7d57glennrp { 9033d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 9034d337164012450d70d62e71cf4a308a29004f7d57glennrp { 903516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9036d337164012450d70d62e71cf4a308a29004f7d57glennrp 903716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9038d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 9039d337164012450d70d62e71cf4a308a29004f7d57glennrp 9040d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 9041d337164012450d70d62e71cf4a308a29004f7d57glennrp { 904216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 904354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 904416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9045d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9046bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9047d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9048d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 9049d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9050d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9051d337164012450d70d62e71cf4a308a29004f7d57glennrp 9052d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 9053d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 9054d337164012450d70d62e71cf4a308a29004f7d57glennrp { 9055d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 9056d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9057d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 90588e58efdecda887b08ef730d68290a61081ef2566glennrp 9059d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 9060d337164012450d70d62e71cf4a308a29004f7d57glennrp { 906191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 9062d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9063d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9064d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 9065d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9066d337164012450d70d62e71cf4a308a29004f7d57glennrp 906782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 906882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 906982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 907082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 907182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 907282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 907382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 907482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 907591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 907682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 907782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 907882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9079e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 908082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 908182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 908282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 908382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 908482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 908516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 908682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 908716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 908882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 908982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 909082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 909182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 909216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 909316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 909416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 909582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9096bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 909782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 909882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 909982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 910082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 910182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 910282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 910382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 910482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 910582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 910682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9107e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 910882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 910982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 911091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 911182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9112d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9113d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 911482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9115c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 91168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9117c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9118c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9119c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9120c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 9121c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 91228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 91238ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91243faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 91253faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 91263faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 91273faa9a3fb01696daaf976d595f492cb530bffb21glennrp 912891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 9129fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9130c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9131c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9132e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 9133fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9134c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 9135c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9136c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 9137c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 913816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 91398d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 914016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9141c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9142c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9143c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 9144c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 914516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 914654cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 914716ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9148c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9149bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9150c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9151c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9152c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9153c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9154c722dd852e8abe407c2846d39662f7ade9c234deglennrp 9155c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 9156c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 9157c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9158c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9159c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9160e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 9161c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 9162c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 916391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 9164c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9165c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9166c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9167c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 91688ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91698ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 91708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 917134ef720923a27004960cbcf4d75a8075445e85d7glennrp /* Take care of special case with 256 opaque colors + 1 transparent 91728ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 91738ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 91748ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 91758ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 917634ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 917734ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 917834ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red background colors to 3-3-2-1"); 917934ef720923a27004960cbcf4d75a8075445e85d7glennrp 91808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 91818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 91828ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 91838ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91848ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 91858ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9186bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 918734ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 918834ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 918934ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red pixel colors to 3-3-2-1"); 919034ef720923a27004960cbcf4d75a8075445e85d7glennrp 91918ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 91928ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91938ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 91948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 919516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9196bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 919716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 91988ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9199bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 92008ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 92018ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 920216ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 920316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 920416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 920516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 92068ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 920716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 92088ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 920916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 92108ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9211bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 92128ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 92138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9214bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 92158ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 92168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 92178ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 92188ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 92198ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 92208ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 92218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 92228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 92238ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 92248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 92258ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 92268ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 92278ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 92288ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 92298ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 92308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9231fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9232a8036d6466b63ead629795b60772f160cca77c4cglennrp } 9233fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 9234fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9235fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 9236fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 9237fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 9238fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 92400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 92410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 9242d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 92430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 92450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 92460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 92480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 92490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92508d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 9251d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 92520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 92530b206f5daa453dc1035db5890cabc899736dc2d0glennrp 92540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 92550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 9256fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 9257fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 9258fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 92595a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 92605a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 92615a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 9262fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92635a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 92645a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 9265fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9266fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 9267fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9268fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 9269fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9270fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9271fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 9272fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 9273fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 927416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 9275fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 9276fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9277fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 9278fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9279fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 9280fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 928116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 9282fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9283fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9284fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 9285fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 928616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 928716ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 928816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 928916ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 929016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 929116ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 929216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 9293fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9294fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9295fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9296fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9297fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 929816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 9299fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9300bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9301fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9302fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9303fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9304fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9305fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9306fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 930767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 930867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 930967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 9310fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 931167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 931267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 931367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 931467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 9315fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 931667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 931767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 9318fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9319fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9320bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9321fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 9322fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9323fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9324fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9325fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 9326fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9327fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9328fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9329fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 9330fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9331fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9332fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9333fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9334fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 93353c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 93363c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 93373c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 93383c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 9339f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 934017f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image_matte=image->alpha_trait != UndefinedPixelTrait ? MagickTrue : MagickFalse; 934183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 934248c20621d4ce02a3833b107f710843d1e524d559glennrp if (mng_info->write_png_colortype < 5) 9343197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 9344197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp image_colors <= 256 && image->colormap != NULL; 9345197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp else 9346197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette = MagickFalse; 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 934852a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 934952a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 935052a479ca718756af72f96e127f8256499ab68f76glennrp { 935116ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 935216ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 935316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 935415e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 935516ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 935652a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 935752a479ca718756af72f96e127f8256499ab68f76glennrp } 935852a479ca718756af72f96e127f8256499ab68f76glennrp 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 936316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 936416ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 93653e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9366cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9367cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 93680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93703e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9371cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 93720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 93753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 93780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 93823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 93860997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 93963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9398868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9399cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9401edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 94020997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 94030997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 9404edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9405edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9406edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9407edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 940816ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 940916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 941016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 941116ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 94133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9414edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9415edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9416edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9417edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9418edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9419edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9420868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9421edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9422edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9423edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9424943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 9425a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 9426a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 9427a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 9428a3a5f956194e91458e2789966ad15308e8f3df47glennrp 9429f9eb20453e3475d44a3833f64c4a662c0106c43edirk#ifdef PNG_SET_USER_LIMITS_SUPPORTED 9430f9eb20453e3475d44a3833f64c4a662c0106c43edirk /* Reject images with too many rows or columns */ 9431f9eb20453e3475d44a3833f64c4a662c0106c43edirk png_set_user_limits(ping, 9432f9eb20453e3475d44a3833f64c4a662c0106c43edirk (png_uint_32) MagickMin(0x7fffffffL, 9433f9eb20453e3475d44a3833f64c4a662c0106c43edirk GetMagickResourceLimit(WidthResource)), 9434f9eb20453e3475d44a3833f64c4a662c0106c43edirk (png_uint_32) MagickMin(0x7fffffffL, 9435f9eb20453e3475d44a3833f64c4a662c0106c43edirk GetMagickResourceLimit(HeightResource))); 9436f9eb20453e3475d44a3833f64c4a662c0106c43edirk#endif /* PNG_SET_USER_LIMITS_SUPPORTED */ 9437f9eb20453e3475d44a3833f64c4a662c0106c43edirk 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94419bf97b6c2143eb20c330346b01e82102cc082725glennrp 94423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 944425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 94453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 944625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 944725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 944825024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 944925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 945025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 945125024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 945225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 94532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 94563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 94582b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 94603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 94612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 94632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94644e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 94654e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 94662b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9470fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48 || mng_info->write_png64) 9471fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_depth=16; 9472fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 94733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 94743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 94750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 94773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 94783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 94790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 94813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 94843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 94850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9489e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9491e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 94923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94938a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 94943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94958640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 94963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94978640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 94983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94998640fb5e9b1094f35f8beab436f81661b8a99448glennrp 95003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 95015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9502dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 950326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 95043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 950526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 950626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 950716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 95083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 95093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9511dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9512dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 95133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 95153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9516dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9517823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 951816ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9519823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 952016ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 95213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9522dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 95233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 95243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9525dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 952616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 952716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 95283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9529991d11dd9c33e65872778b81aff1347cd2878154glennrp 95303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9532dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 953316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 953416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 95353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9536991d11dd9c33e65872778b81aff1347cd2878154glennrp 9537823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9538823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9539823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9540823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9541823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9542991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 95433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 954426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9546a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 954726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 954826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9549a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 95503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9551a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9552a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9553a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9554a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9555a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9556a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 95570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9558a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9559a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 95600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9561a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9562a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 95630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9564a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9565a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 95660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9567a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9568a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 95690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9570a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9571a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 95720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9573a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9574a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9575c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9576c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 95770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 95813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95823b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9583c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9584c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9585c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 95863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 95873b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95883b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 95893b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 95900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 959226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 95963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 95990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96001273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 96013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9602fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 96030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 96040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 96068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 96078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 96080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 96100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 96110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 96120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 96150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9617f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 96180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 96200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 96210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 96220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 96230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 96240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 96250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 962667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 96270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 962867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 962967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 963067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 96310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 96323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 96342b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 96368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 96378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 96385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 963958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 96408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 96420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 96430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 96440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 96458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 96463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 96488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 96490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96512cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 96528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 96530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 96550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 96560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 96598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96611273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 96624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96631273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 96641273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 96651273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 96661273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 96674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 96684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 96694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 96700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9672c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9673c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9674c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9675c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9676c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9677c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9678c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 96794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 96810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9682fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png_colortype == 1) 9683fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 9684fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_matte=MagickFalse; 9685fd164d2bf84b111e304959af5698757d60e9b8aeglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 9686fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 9687fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 9688fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png24 || mng_info->write_png48 || 9689fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 3) 96903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9695fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png32 || mng_info->write_png64 || 9696fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 7) 96973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 97003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 97033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 97050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 97073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 97090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 97132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 97158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 97167c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 97177c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 97187c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97197c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 97203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97227c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 97233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97263c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 97270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9728d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 97298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 97300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9731d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 97323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 97343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9737def23e5d7331b1a13ed593b6d6aca516da382328cristy if (image_info->type == TrueColorAlphaType) 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 97403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 97413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 9744def23e5d7331b1a13ed593b6d6aca516da382328cristy image_info->type == PaletteAlphaType) 97455aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 97465aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97477c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 9748261f64eea2c3a5a9586da65af2c59d2a39b05de0glennrp image_info->type == UndefinedType) 97493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97505aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 97518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 97525aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 97535aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97545aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 97555aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97565aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97580b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97595aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97605aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 97615aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 97645aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 97655aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 97675aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97685aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 97695aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97705aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 97720b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 97755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97795aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 978326c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97848640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 978526c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 97865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 97870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 97900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 97920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9794d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9795d6bf1617e99df0272b231855a933a74e99b6578fglennrp 97965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 979817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait && ping_have_non_bw == MagickFalse) 97998d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98018640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 98033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 980435ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 98055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 98060f111984738842d27d04aed2a3f823d82a943506glennrp 98070f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 98080f111984738842d27d04aed2a3f823d82a943506glennrp { 98090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9810edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 98110f111984738842d27d04aed2a3f823d82a943506glennrp } 98120f111984738842d27d04aed2a3f823d82a943506glennrp 981335ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 98145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9815d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9817d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9818d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9819d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9820d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 98210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9822d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9823d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9824d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 98250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9826d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9827d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 98283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 98305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 98312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98351a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 98361a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 98371a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 98380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9840e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 98410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9843e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 98440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98463c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 98478640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 98488640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98498640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9850e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 98513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 985358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 98543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 98564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98577c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98587c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 98597c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 98602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98617c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 98627c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 98637c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 98642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 98694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 98714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 98724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9873a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 98744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 98757c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 98767c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98777c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 98784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9883bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 98860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 98884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 98890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 98914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 98920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 98944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 98950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 98974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 98980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 99004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 99010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 99034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 99040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 99064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 99070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 990911a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy (ScaleQuantumToShort(GetPixelInfoIntensity(image, 99104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 99110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 99130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 99154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 99184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9920fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9921fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9922fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9923fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9924fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 99254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99262b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 99284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99297c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 99307c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 99310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 99334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 99354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 99364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 99374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 99384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 99424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 99465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 99475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 99485af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99528640fb5e9b1094f35f8beab436f81661b8a99448glennrp 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 99540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99552e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 99570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 995839992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 99608d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 99618d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 996335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 99640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 99669c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 99670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99687c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 99714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 99734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 99754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 99784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 99804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 99850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9986136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9987d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9988f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 99890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 99915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 99920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 99965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 99993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 100010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1000235ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 10003bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 100045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100072b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 100090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 100113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 100131a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 100143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 100153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10019bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 100203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 100253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 100283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 100293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 100304bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 100323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100332b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 100359c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 100360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 100389c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 100390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 100419c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100442b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 100513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1005217a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1005317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 100600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100613d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (!(mng_info->have_write_global_plte && matte == MagickFalse)) 100623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10063bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 100683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100703b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 100713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1007298156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 10073f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 100740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1007539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 100763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 10079d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10081befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 10082befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 10083befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 100845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 10085befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 100860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1008716ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 100885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 100920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1009358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 100940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 100950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 10096d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 10097d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 100980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10100d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 10101d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 101023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 101040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 101050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10106d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 101070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10108c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10109c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10110c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10111c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 10112c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10113d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 10114d6bf1617e99df0272b231855a933a74e99b6578fglennrp 10115d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 10116d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 10117750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 1011816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 10119d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 101200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 101210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 101223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10127c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 101300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 101344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 101354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 101374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 101384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 101394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 101404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 101414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 101425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 101435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 101445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 101455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 101464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 101474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 101484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 101494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 101514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 101524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 101534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 101544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 101553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101584383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 101594383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 101602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 101613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 101633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 101653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 101663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 101693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1017035ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 1017135ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 1017235ef824baa82511126ff0072ae30eee0da9c05a3cristy 1017322ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 1017626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1017816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 1017911a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy (ScaleQuantumToShort(((GetPixelInfoIntensity(image, 1018016ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 1018116ea139d53d867211d3bb0fa859a83de653f687ecristy 101823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101838f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1018416ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 1018516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1018616ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 1018716ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 101883b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 10189991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 1019026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101923e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101933e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101943e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 101953e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 101963e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101979be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 101983e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 101993e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 102003e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 102013e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102023e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1020417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1020526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1020626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 102071273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 1020817a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 1020917a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 1021017a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 1021117a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 1021217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1021317a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1021417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10215a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 10216a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 1021717a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 1021817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1021917a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 1022017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 102213b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 102220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 102250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10226a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1022713d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 10228a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 102290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 102303b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 102313b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 102320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 102350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 102360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 102370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 102380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10239a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 1024017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10241d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 102423c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 102433b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 102443b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102453b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 102463c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 102473c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 1024817a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 1024926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1025017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 102513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102531a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 102541a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 102553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 102620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 102650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 102660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 102680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 102720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102734054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 102744054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 1027510d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 1027610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1027710d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 1027810d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 1027910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1028010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 1028110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10282ef804f5802b3d6517d516556b64fccc5843710b6glennrp 0 or omitted: Use Z_HUFFMAN_ONLY strategy with the 1028310d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 1028410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1028510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 1028610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1028710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 1028810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1028910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 1029010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1029110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 1029210d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 1029310d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 10294750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 1029510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 1029610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1029710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 1029885dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp a MNG, otherwise "none". Did not work in IM-6.7.0-9 1029910d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 1030010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1030185dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp 8: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), adaptive 1030285dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp filtering. Unused prior to IM-6.7.0-10, was same as 6 1030310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10304ef804f5802b3d6517d516556b64fccc5843710b6glennrp 9: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), no PNG filters 103051868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 1030610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1030710d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 1030810d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 1030916ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 1031016ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 1031110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1031210d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 1031310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1031429dd80efe8d7489d5f689a8a723454e684f92a8fdirk quality=image_info->quality == UndefinedCompressionQuality ? 75UL : 1031529dd80efe8d7489d5f689a8a723454e684f92a8fdirk image_info->quality; 103160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103171868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 103181868258559ddf946fa73ef72dd43507b32623705glennrp { 103191868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 103201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 103211868258559ddf946fa73ef72dd43507b32623705glennrp } 10322750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 103231868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 103263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10328bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 103290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103301868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 103311868258559ddf946fa73ef72dd43507b32623705glennrp } 103320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103331868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 103341868258559ddf946fa73ef72dd43507b32623705glennrp { 103351868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 10336a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 10337a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 10338a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 10339a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 10340a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 103413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103431868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 103441868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 103451868258559ddf946fa73ef72dd43507b32623705glennrp 103461868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103481868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 103493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103501868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 103511868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 103520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103531868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 103541868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103551868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 103561868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 103570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103581868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103591868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 103603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103614054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 1036210d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103631868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 103644054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 103654054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 103661868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103671868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 103681868258559ddf946fa73ef72dd43507b32623705glennrp else 103691868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103701868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 103711868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 103723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103741868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 103751868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 103760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103771868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 103781868258559ddf946fa73ef72dd43507b32623705glennrp { 103791868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 103801868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 103811868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 103821868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103831868258559ddf946fa73ef72dd43507b32623705glennrp else 103841868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 103851868258559ddf946fa73ef72dd43507b32623705glennrp } 103864054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 103871868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 103881868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1038910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 103901868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 103911868258559ddf946fa73ef72dd43507b32623705glennrp { 103921868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 103931868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 103941868258559ddf946fa73ef72dd43507b32623705glennrp { 103951868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 103961868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 103971868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 103981868258559ddf946fa73ef72dd43507b32623705glennrp } 103991868258559ddf946fa73ef72dd43507b32623705glennrp#endif 104004054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 104011868258559ddf946fa73ef72dd43507b32623705glennrp } 104020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104031868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 104041868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 104050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104061868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 104071868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 104081868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 104090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104101868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 104111868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 104121868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 104132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10414dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method=image_info->interlace != NoInterlace; 10415dec72c9b492c176af9813be3105518e91835ed37glennrp 10416dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_mng) 10417dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_sig_bytes(ping,8); 10418dec72c9b492c176af9813be3105518e91835ed37glennrp 10419dec72c9b492c176af9813be3105518e91835ed37glennrp /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 10420dec72c9b492c176af9813be3105518e91835ed37glennrp 10421dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype != 0) 10422dec72c9b492c176af9813be3105518e91835ed37glennrp { 10423dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 10424dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10425dec72c9b492c176af9813be3105518e91835ed37glennrp { 10426dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB; 10427dec72c9b492c176af9813be3105518e91835ed37glennrp 10428dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_bit_depth < 8) 10429dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth=8; 10430dec72c9b492c176af9813be3105518e91835ed37glennrp } 10431dec72c9b492c176af9813be3105518e91835ed37glennrp 10432dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 10433dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10434dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10435dec72c9b492c176af9813be3105518e91835ed37glennrp } 10436dec72c9b492c176af9813be3105518e91835ed37glennrp 10437dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse || 10438dec72c9b492c176af9813be3105518e91835ed37glennrp ((mng_info->write_png_depth && 10439dec72c9b492c176af9813be3105518e91835ed37glennrp (int) mng_info->write_png_depth != ping_bit_depth) || 10440dec72c9b492c176af9813be3105518e91835ed37glennrp (mng_info->write_png_colortype && 10441dec72c9b492c176af9813be3105518e91835ed37glennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10442dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype != 7 && 10443dec72c9b492c176af9813be3105518e91835ed37glennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 10444dec72c9b492c176af9813be3105518e91835ed37glennrp { 10445dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10446dec72c9b492c176af9813be3105518e91835ed37glennrp { 10447dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse) 10448dec72c9b492c176af9813be3105518e91835ed37glennrp { 10449dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10450dec72c9b492c176af9813be3105518e91835ed37glennrp " Image has transparency but tRNS chunk was excluded"); 10451dec72c9b492c176af9813be3105518e91835ed37glennrp } 10452dec72c9b492c176af9813be3105518e91835ed37glennrp 10453dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_depth) 10454dec72c9b492c176af9813be3105518e91835ed37glennrp { 10455dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10456dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:bit-depth=%u, Computed depth=%u", 10457dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_depth, 10458dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth); 10459dec72c9b492c176af9813be3105518e91835ed37glennrp } 10460dec72c9b492c176af9813be3105518e91835ed37glennrp 10461dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype) 10462dec72c9b492c176af9813be3105518e91835ed37glennrp { 10463dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10464dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:color-type=%u, Computed color type=%u", 10465dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype-1, 10466dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type); 10467dec72c9b492c176af9813be3105518e91835ed37glennrp } 10468dec72c9b492c176af9813be3105518e91835ed37glennrp } 10469dec72c9b492c176af9813be3105518e91835ed37glennrp 10470dec72c9b492c176af9813be3105518e91835ed37glennrp png_warning(ping, 10471dec72c9b492c176af9813be3105518e91835ed37glennrp "Cannot write image with defined png:bit-depth or png:color-type."); 10472dec72c9b492c176af9813be3105518e91835ed37glennrp } 10473dec72c9b492c176af9813be3105518e91835ed37glennrp 1047417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image_matte != MagickFalse && image->alpha_trait == UndefinedPixelTrait) 10475dec72c9b492c176af9813be3105518e91835ed37glennrp { 10476dec72c9b492c176af9813be3105518e91835ed37glennrp /* Add an opaque matte channel */ 10477dec72c9b492c176af9813be3105518e91835ed37glennrp image->alpha_trait = BlendPixelTrait; 10478dec72c9b492c176af9813be3105518e91835ed37glennrp (void) SetImageAlpha(image,OpaqueAlpha,exception); 10479dec72c9b492c176af9813be3105518e91835ed37glennrp 10480dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10481dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10482dec72c9b492c176af9813be3105518e91835ed37glennrp " Added an opaque matte channel"); 10483dec72c9b492c176af9813be3105518e91835ed37glennrp } 10484dec72c9b492c176af9813be3105518e91835ed37glennrp 10485dec72c9b492c176af9813be3105518e91835ed37glennrp if (number_transparent != 0 || number_semitransparent != 0) 10486dec72c9b492c176af9813be3105518e91835ed37glennrp { 10487dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type < 4) 10488dec72c9b492c176af9813be3105518e91835ed37glennrp { 10489dec72c9b492c176af9813be3105518e91835ed37glennrp ping_have_tRNS=MagickTrue; 10490dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10491dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10492dec72c9b492c176af9813be3105518e91835ed37glennrp " Setting ping_have_tRNS=MagickTrue."); 10493dec72c9b492c176af9813be3105518e91835ed37glennrp } 10494dec72c9b492c176af9813be3105518e91835ed37glennrp } 10495dec72c9b492c176af9813be3105518e91835ed37glennrp 10496dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10497dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10498dec72c9b492c176af9813be3105518e91835ed37glennrp " Writing PNG header chunks"); 10499dec72c9b492c176af9813be3105518e91835ed37glennrp 10500dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 10501dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth,ping_color_type, 10502dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method,ping_compression_method, 10503dec72c9b492c176af9813be3105518e91835ed37glennrp ping_filter_method); 10504dec72c9b492c176af9813be3105518e91835ed37glennrp 10505dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 10506dec72c9b492c176af9813be3105518e91835ed37glennrp { 10507dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 10508dec72c9b492c176af9813be3105518e91835ed37glennrp 10509dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10510dec72c9b492c176af9813be3105518e91835ed37glennrp { 10511dec72c9b492c176af9813be3105518e91835ed37glennrp for (i=0; i< (ssize_t) number_colors; i++) 10512dec72c9b492c176af9813be3105518e91835ed37glennrp { 10513dec72c9b492c176af9813be3105518e91835ed37glennrp if (i < ping_num_trans) 10514dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10515dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10516dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10517dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10518dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10519dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue, 10520dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10521dec72c9b492c176af9813be3105518e91835ed37glennrp (int) ping_trans_alpha[i]); 10522dec72c9b492c176af9813be3105518e91835ed37glennrp else 10523dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10524dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d)", 10525dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10526dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10527dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10528dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue); 10529dec72c9b492c176af9813be3105518e91835ed37glennrp } 10530dec72c9b492c176af9813be3105518e91835ed37glennrp } 10531dec72c9b492c176af9813be3105518e91835ed37glennrp } 10532dec72c9b492c176af9813be3105518e91835ed37glennrp 105330d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 105340d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 105353d627862fb79aad8a20be4f1587f0b8761db441aglennrp (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 105370d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 105380d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 105390d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10540c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10541c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10542c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10544c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 105450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10546c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10547c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10548c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10549c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10550c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1055126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10552c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10553c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10554c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10555ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10556ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up iCCP chunk"); 105576647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 1055816ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10559e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10560c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10561e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10562120b581ad9516a43c50caedfa1a8cff418488819Cristy (const png_byte *) GetStringInfoDatum(profile), 10563e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10564c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10565918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP = MagickTrue; 10566c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1056726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10569c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10571c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10572c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10573ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10574ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up zTXT chunk with uuencoded ICC"); 10575cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10576c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10577c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10578c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10579ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP = MagickTrue; 10580c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10581c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105820b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10583c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10584c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10585c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 105860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10587c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10588c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105890d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 10594ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP != MagickTrue && 10595ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (ping_have_sRGB != MagickFalse || 10596ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1059826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1059926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1060026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1060126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1060226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1060326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1060426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1060526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 106060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1060726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10608cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10609cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 10610918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp 10611918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB = MagickTrue; 1061226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1061426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 106155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106182cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 10619918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP == MagickFalse && 10620918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB == MagickFalse && 106212cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1062226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1062326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 106283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 106333b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1063626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106372b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10638918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp if (ping_exclude_cHRM == MagickFalse && ping_have_sRGB == MagickFalse) 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1064026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1064126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1064226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1064326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1064426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 10645918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp Note: if cHRM+gAMA == sRGB write sRGB instead. 1064626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1064726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1064826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1064926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1065026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1065126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1065226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1065326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1065426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1065526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1065626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1065726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1065826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1065926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1066026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1066126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1066226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1066326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1066426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1066526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10667dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1066826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1066926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1067026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10671c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1067226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 106738fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10674c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10675c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10676c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10677c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10678c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10679c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10680c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10681c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10682c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10683c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10684c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10685c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10686c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10687c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1068826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10689991d11dd9c33e65872778b81aff1347cd2878154glennrp 1069026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10691dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1069226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1069326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1069426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1069526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1069626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1069726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10698823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 106998fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10700823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10701823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10702823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10703823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10704823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10705823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10706823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10707823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10708823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10709823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10710823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10711823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10712823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1071326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10714dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10715dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10716dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 107174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10718dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1071926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1072026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1072126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1072226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10723dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1072426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1072526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1072626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1072726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1072826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10729dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10730dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10731dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10732fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 10733fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (ping_exclude_tIME == MagickFalse) 10734fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10735fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char 10736fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk *timestamp; 10737fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1073839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (image->taint == MagickFalse) 10739fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1074039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageOption(image_info,"png:tIME"); 1074139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1074239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp == (const char *) NULL) 10743fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageProperty(image,"png:tIME",exception); 10744fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1074539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1074639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp else 1074739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp { 1074839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1074939d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp " Reset tIME in tainted image"); 1075039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1075139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageProperty(image,"date:modify",exception); 1075239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 1075339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1075439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp != (const char *) NULL) 1075539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10756fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10757fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 107586647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 10759da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10760da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1076116ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10762da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10763da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10764da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10765da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10766da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10767da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10769991d11dd9c33e65872778b81aff1347cd2878154glennrp 1077039992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10771991d11dd9c33e65872778b81aff1347cd2878154glennrp { 107723b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 107760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10777991d11dd9c33e65872778b81aff1347cd2878154glennrp 107780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 107790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 107810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 107820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10783991d11dd9c33e65872778b81aff1347cd2878154glennrp 107840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 107850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 107880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 107890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 107900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107913b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10794c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 107950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 107960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 107970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 107980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 108000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10801991d11dd9c33e65872778b81aff1347cd2878154glennrp 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10803cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10804da8f3a7bfddac2680a3069a490db541e7944edafglennrp 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10806991d11dd9c33e65872778b81aff1347cd2878154glennrp 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10808cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1081026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 108113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 108134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1081426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1081526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1081626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1081726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1081826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1081926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1082003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1082126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1082226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1082326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1082426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1082526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1082626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 108309c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 108329c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10841b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10842b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 108437202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10845b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10847b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10849b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10850b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10851b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10853b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10855b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10857b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10858b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108603b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 108613b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 108623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10863b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10864b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 108650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10866b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10867e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108690997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(rowbytes,sizeof(*ping_pixels)); 108700997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 10871edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 108720997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 108730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108775f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 10878ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10879edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 10881e63d2029af2dd8bedf895fdb63d79d0f0f9c2671dirk SetQuantumDepth(image,quantum_info,image_depth); 108824b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 108848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 10886fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 108878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 108888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 108908d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 108918d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 108923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1089416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108976e3531932372c9bea14d4a6d1c6eb9026658f9b4Cristy SetQuantumDepth(image,quantum_info,8); 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10903bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 109043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10905d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 109063b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109073b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10908a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1090916ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 109100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1091116ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 109130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1091616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1091716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 109193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10924cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 109253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 109263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1093116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1093216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10936bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10937cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 109390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109403b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10941b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10942b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 109430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10944cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10945af9320404a7b05014476f844b11110157a21b73eglennrp 10946d5a9b370d73940f19035e55634c15c77714031b8dirk status=SetImageProgress(image,SaveImageTag, 10947af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10948af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1094944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 10950af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10951af9320404a7b05014476f844b11110157a21b73eglennrp break; 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 109573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 10959fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 10960fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png32) && (image_matte != MagickFalse || 10961fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 10962fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1096416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10970bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 109713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1097216ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 109732cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1097416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 109762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1098016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1098416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10993b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 109943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10995b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 109972cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1099816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1099916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 11000b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 110012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110023b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 11003b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 110052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11006cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 110072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11008d5a9b370d73940f19035e55634c15c77714031b8dirk status=SetImageProgress(image,SaveImageTag, 11009af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11010af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1101144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 11012af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 11013af9320404a7b05014476f844b11110157a21b73eglennrp break; 110148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 110193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1102016ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 110218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 110220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11025fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if ((image_depth > 8) || 11026fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || 110278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 11028fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || 11029fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 || 11030fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 110318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 11033b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 11034862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 110352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1103616ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 110378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 110408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1104216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1104316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 110442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1104616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1104716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 110488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 110518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1105216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11053cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1105416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 110598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1106216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1106316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 110642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1106616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1106716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 110682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110693b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 11070b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 110722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11073cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 11074af9320404a7b05014476f844b11110157a21b73eglennrp 11075d5a9b370d73940f19035e55634c15c77714031b8dirk status=SetImageProgress(image,SaveImageTag, 11076af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11077af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1107844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 11079af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 11080af9320404a7b05014476f844b11110157a21b73eglennrp break; 11081b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 110828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 11085fd164d2bf84b111e304959af5698757d60e9b8aeglennrp /* not ((image_depth > 8) || 11086fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || mng_info->write_png32 || 11087fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 11088fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 11089fd164d2bf84b111e304959af5698757d60e9b8aeglennrp */ 110908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 110928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 110938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 110958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 110972cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110986e3531932372c9bea14d4a6d1c6eb9026658f9b4Cristy SetQuantumDepth(image,quantum_info,8); 110998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 111008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 111012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 111028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 111038640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 111048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 111058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 111072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1110816ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 111092cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1111016ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 111118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 111122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 111138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1111444757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 111156e3531932372c9bea14d4a6d1c6eb9026658f9b4Cristy SetQuantumDepth(image,quantum_info,image->depth); 111164bf89731a90c6e03598950223e19e7be7b95d630glennrp 1111716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1111816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1111944757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 111202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 111218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 111228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 111238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 111248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 111262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1112716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11128cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1112916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 111308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 111312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 111328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 111338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1113416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1113516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 111362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 111375eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 111385eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 111395eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111401a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 111415eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 111425eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111435eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 111445eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 111455eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 111468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 11147cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 111482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11149d5a9b370d73940f19035e55634c15c77714031b8dirk status=SetImageProgress(image,SaveImageTag, 11150af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11151af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1115244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 111538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 111548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 111558640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 11156af9320404a7b05014476f844b11110157a21b73eglennrp } 111573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 111608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 11161b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 11162b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11167b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 111680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11170e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 111710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11173e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 111740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 111763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111785d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 111793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 111830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 111853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111875d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 111920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11197a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 111983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11199823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1120126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1120226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1120326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1120426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1120526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1120626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 112072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1120816ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 11209a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11210e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp /* Don't write any "png:" or "jpeg:" properties; those are just for 11211e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp * "identify" or for passing through to another JPEG 11212e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp */ 11213e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp if ((LocaleNCompare(property,"png:",4) != 0 && 11214a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp LocaleNCompare(property,"jpeg:",5) != 0) && 11215e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp 11216a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11217a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 11218a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 11219823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 11220a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 11221a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11222a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 11223a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 11224a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1122526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11226c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 11227c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11228a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 11229ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 11230a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 11231a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 11232a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 11233a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 11234a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 11235c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 11236c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 11237c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 112382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11239c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 11240c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 112412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11242c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 11243c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 112442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11245c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1124626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11247c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 11248c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 11249c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 11250c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1125126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 112522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11253c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 11254c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11255c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11256c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 11257c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11258c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11259cbc9215c23fce410bf0bea825dee908c15271bb3glennrp " keyword: '%s'",text[0].key); 11260c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 11261c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11262c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 11263c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 11264c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1126526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1126626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1126726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 112683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 11271cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 112723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 112760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 112780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 112803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 112825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 112835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 112843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 112873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1129303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 113045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 113075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 113093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 113113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 113183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 11319edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 113200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 113233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 113253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113270997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 113283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1132916ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1133016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1133116ea139d53d867211d3bb0fa859a83de653f687ecristy 1133216ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1133316ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1133416ea139d53d867211d3bb0fa859a83de653f687ecristy 11335b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 11336b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 11337b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 11338b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1133916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 11340b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 113413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 113423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 113433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 113440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11345868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 11346edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 11347edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 11348edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 11349edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 11350edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 11351edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 11352edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 113533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 113543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 11355edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 113563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 113573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 113593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 113643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 113703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 113713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 113733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 113753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1137616ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1137716ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 113783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 113803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 113843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1138516ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1138616ea139d53d867211d3bb0fa859a83de653f687ecristy% 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 113883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 113903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 113935d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113955a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 113965a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 113995a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 114005a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 11401e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 11402130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 11403130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 11404130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 11405e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 11406e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 11407e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 114085a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 114095a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 114103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 114115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 114125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 114135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 114163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 114175a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 114185a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 114195a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 114205a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 114215a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 114260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 114275a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 114285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 114293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11430fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG48: A 16-bit per sample RGB PNG datastream is written. The tRNS 11431fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% chunk can be present to convey binary transparency by naming 11432fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% one of the colors as transparent. If the image has more 11433fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% than one transparent color, has semitransparent pixels, or 11434fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% has an opaque pixel with the same RGB components as the 11435fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparent color, an image is not written. 11436fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 11437fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG64: A 16-bit per sample RGBA PNG is written. Partial 11438fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparency is permitted, i.e., the alpha sample for 11439fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% each pixel can have any value from 0 to 65535. The alpha 11440fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% channel is present even if the image is fully opaque. 11441fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 114425830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% o PNG00: A PNG that inherits its colortype and bit-depth from the input 114435830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% image, if the input was a PNG, is written. If these values 11444c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% cannot be found, or if the pixels have been changed in a way 11445c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% that makes this impossible, then "PNG00" falls back to the 11446c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% regular "PNG" format. 114475830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% 114483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 114493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 114503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11451bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11452bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11453bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 114543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 114563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 114613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 114643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 114693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 114703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11471fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% If the image cannot be written without loss with the 11472fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% requested bit-depth and color-type, a PNG file will not 11473fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% be written, a warning will be issued, and the encoder will 11474fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% return MagickFalse. 114755a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 114795a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1148016ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 114813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 114873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 114883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 114903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 114923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11495bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11496bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 114973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11501bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11503bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 115043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 115053241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 115060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11507d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 115080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 115090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 115100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11511cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 115120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11513d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11514d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 115155d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11516d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11517d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11518d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11519d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 115200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 115213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 115223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 115233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1152416ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 115253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 115263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1152721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1152821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1152921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 115303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 115313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 115333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 115343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 115363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 115373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 115395c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 115405c7cf4e469a4dad7e277783749155932252c52dfglennrp 115413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 115433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 11545e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 115463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 11547e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image->signature == MagickCoreSignature); 115483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11549fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 115503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 115523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1155473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 115550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 115573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 115580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 115613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 115633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11564a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 115653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 115663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 115683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 115703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 115713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 11572fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48=LocaleCompare(image_info->magick,"PNG48") == 0; 11573fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64=LocaleCompare(image_info->magick,"PNG64") == 0; 115743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11575092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:format"); 11576b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 115775a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value != (char *) NULL || LocaleCompare(image_info->magick,"PNG00") == 0) 11578b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11579f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11580f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " Format=%s",value); 11581f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11582fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png8 = MagickFalse; 11583fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 = MagickFalse; 11584fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png32 = MagickFalse; 11585fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickFalse; 11586fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickFalse; 11587fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11588b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11589b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11590b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11591b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11592b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11593b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11594b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11595b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11596fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11597fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png48") == 0) 11598fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickTrue; 11599fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11600fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png64") == 0) 11601fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickTrue; 116025830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 116035a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if ((LocaleCompare(value,"png00") == 0) || 116045a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp LocaleCompare(image_info->magick,"PNG00") == 0) 116055830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 116063398b5b62521b49754d9391aae9e4511857bd63bglennrp /* Retrieve png:IHDR.bit-depth-orig and png:IHDR.color-type-orig. */ 116073398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.bit-depth-orig",exception); 116086647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11609f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11610f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11611f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11612f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited bit depth=%s",value); 116136647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11614f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"1") == 0) 11615f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 1; 116166647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 116175a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"2") == 0) 11618f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 2; 116196647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 116205a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"4") == 0) 11621f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 4; 116226647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11623f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"8") == 0) 11624f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 8; 116256647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11626f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"16") == 0) 11627f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 16; 11628f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 116296647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 116303398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.color-type-orig",exception); 116316647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11632f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11633f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11634f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11635f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited color type=%s",value); 116366647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11637f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"0") == 0) 11638f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 1; 116396647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11640f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"2") == 0) 11641f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 3; 116426647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11643f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"3") == 0) 11644f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 4; 116456647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11646f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"4") == 0) 11647f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 5; 116486647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11649f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"6") == 0) 11650f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 7; 11651f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 116525830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 116535830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 116545830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 116553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116579c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 116589c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116599c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 116603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 116633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116649c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 116659c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116669c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 116670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1166817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 11669def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 116700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116719c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1167216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 116730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1167416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 116783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116799c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 116809c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116819c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 1168247da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 116830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11684def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 1168516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11688fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48) 11689fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11690fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 2 */ 3; 11691fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11692fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 11693fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 1169417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 11695def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 11696fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11697fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else 116984dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorType,exception); 11699fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 117004dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11701fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11702fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11703fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png64) 11704fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11705fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 6 */ 7; 11706fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11707fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 1170847da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 11709fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11710def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 117114dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11712fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11713fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11714092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:bit-depth"); 117158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 117163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 117173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 117199c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 117200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 117229c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 117230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 117259c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 117260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 117289c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 117290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 117319c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 117320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11733bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1173416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11735bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11736bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11737bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11738bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 117393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117409c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11741bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 117423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11744092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:color-type"); 117450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 117473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 117493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 117509c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 117510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1175216ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1175316ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1175416ea139d53d867211d3bb0fa859a83de653f687ecristy 117553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 117569c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 117570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 117599c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 117600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 117629c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 117630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 117659c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 117660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11767bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1176816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11769bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11770bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11771bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11772bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 117733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117749c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11775d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 117763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 117790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117800dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 117810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 117820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117835d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 117840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 117850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 117860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 117870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 117880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 117900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117915d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 117925d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 117930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 117940dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 117950dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 117960dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11797aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11798aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11799aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 118000e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 118010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 118020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 118030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 118040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 118050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 118060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 118070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 118080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 118090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 118100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 118110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 118120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11813104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 118140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 118150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1181626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1181726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11818a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1181926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1182026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1182126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1182226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1182326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1182426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1182526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1182626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11827fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=MagickFalse; 11828a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1182926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1183026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1183126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1183226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 118338d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 118348d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11835092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:preserve-colormap"); 118368d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 118378b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:preserve-colormap"); 118388d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 118398d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 118408d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11841ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickFalse; 11842ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11843ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 11844ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value == NULL) 11845ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 11846ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value != NULL) 11847ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickTrue; 11848ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11849ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* These compression-level, compression-strategy, and compression-filter 118501868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 118511868258559ddf946fa73ef72dd43507b32623705glennrp */ 11852092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-level"); 118531868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118548b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-level"); 118551868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118561868258559ddf946fa73ef72dd43507b32623705glennrp { 118571868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 118581868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 118591868258559ddf946fa73ef72dd43507b32623705glennrp */ 118601868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118611868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 118621868258559ddf946fa73ef72dd43507b32623705glennrp 118630ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 118641868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 118651868258559ddf946fa73ef72dd43507b32623705glennrp 118661868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118671868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 118681868258559ddf946fa73ef72dd43507b32623705glennrp 118691868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118701868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 118711868258559ddf946fa73ef72dd43507b32623705glennrp 118721868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118731868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 118741868258559ddf946fa73ef72dd43507b32623705glennrp 118751868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118761868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 118771868258559ddf946fa73ef72dd43507b32623705glennrp 118781868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 118791868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 118801868258559ddf946fa73ef72dd43507b32623705glennrp 118811868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 118821868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 118831868258559ddf946fa73ef72dd43507b32623705glennrp 118841868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 118851868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 118861868258559ddf946fa73ef72dd43507b32623705glennrp 118871868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 118881868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 118891868258559ddf946fa73ef72dd43507b32623705glennrp 118901868258559ddf946fa73ef72dd43507b32623705glennrp else 1189116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118921868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118931868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 118941868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118951868258559ddf946fa73ef72dd43507b32623705glennrp } 118961868258559ddf946fa73ef72dd43507b32623705glennrp 11897092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-strategy"); 118981868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118998b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-strategy"); 119001868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 119011868258559ddf946fa73ef72dd43507b32623705glennrp { 119021868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 119031868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 119041868258559ddf946fa73ef72dd43507b32623705glennrp 119051868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 119061868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 119071868258559ddf946fa73ef72dd43507b32623705glennrp 119081868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 119091868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 119101868258559ddf946fa73ef72dd43507b32623705glennrp 119111868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1191298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 119131868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1191498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1191598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1191698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 119171868258559ddf946fa73ef72dd43507b32623705glennrp 119181868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1191998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 119201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1192198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1192298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1192398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 119241868258559ddf946fa73ef72dd43507b32623705glennrp 119251868258559ddf946fa73ef72dd43507b32623705glennrp else 1192616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 119271868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 119281868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 119291868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 119301868258559ddf946fa73ef72dd43507b32623705glennrp } 119311868258559ddf946fa73ef72dd43507b32623705glennrp 11932092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-filter"); 119331868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 119348b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-filter"); 119351868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 119361868258559ddf946fa73ef72dd43507b32623705glennrp { 119371868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 119381868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 119391868258559ddf946fa73ef72dd43507b32623705glennrp * 119401868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 119411868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 119421868258559ddf946fa73ef72dd43507b32623705glennrp */ 119431868258559ddf946fa73ef72dd43507b32623705glennrp 119441868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 119451868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 119461868258559ddf946fa73ef72dd43507b32623705glennrp 11947b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 119481868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 119491868258559ddf946fa73ef72dd43507b32623705glennrp 119501868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 119511868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 119521868258559ddf946fa73ef72dd43507b32623705glennrp 119531868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 119541868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 119551868258559ddf946fa73ef72dd43507b32623705glennrp 119561868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 119571868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 119581868258559ddf946fa73ef72dd43507b32623705glennrp 119591868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 119601868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 119611868258559ddf946fa73ef72dd43507b32623705glennrp 119621868258559ddf946fa73ef72dd43507b32623705glennrp else 1196316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 119641868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 119651868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 119661868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 119671a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1196803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119691a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp for (source=0; source<8; source++) 119705c7cf4e469a4dad7e277783749155932252c52dfglennrp { 119711a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp value = NULL; 11972acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 119732dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 0) 119742dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunks"); 119752dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119762dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 1) 119772dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunks"); 119782dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119792dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 2) 119802dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 119812dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119822dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 3) 119832dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 119842dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119852dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 4) 119862dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunks"); 119872dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119882dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 5) 119892dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunks"); 119902dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119912dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 6) 119922dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunk"); 119932dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119942dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 7) 119952dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunk"); 1199626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 119971a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (value == NULL) 119981a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp continue; 119991a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp 120001a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source < 4) 120011a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickTrue; 120021a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else 120031a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickFalse; 1200426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1200503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 120062cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 120071a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source == 0 || source == 2) 120081a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120091a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:exclude-chunk=%s found in image options.\n", value); 120101a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 1 || source == 3) 120112cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120122cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 120131a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 4 || source == 6) 120142cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120151a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image options.\n", value); 120161a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else /* if (source == 5 || source == 7) */ 120171a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120181a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image artifacts.\n", value); 120192cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1202003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 120211a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (IsOptionMember("all",value) != MagickFalse) 120221a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 120231a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 120241a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 120251a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120261a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120271a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120281a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120291a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=excluding; */ 120301a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 120311a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 120321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 120331a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 12034fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 120351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 120361a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 120371a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 120381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 120391a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 12040280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp 12041689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("none",value) != MagickFalse) 120421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 12043a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_bKGD=excluding != MagickFalse ? MagickFalse : 12044a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12045a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_cHRM=excluding != MagickFalse ? MagickFalse : 12046a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12047a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_date=excluding != MagickFalse ? MagickFalse : 12048a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12049a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_EXIF=excluding != MagickFalse ? MagickFalse : 12050a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12051a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_gAMA=excluding != MagickFalse ? MagickFalse : 12052a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12053a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_iCCP=excluding != MagickFalse ? MagickFalse : 12054a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 120551a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=!excluding; */ 12056a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_oFFs=excluding != MagickFalse ? MagickFalse : 12057a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12058a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_pHYs=excluding != MagickFalse ? MagickFalse : 12059a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12060a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_sRGB=excluding != MagickFalse ? MagickFalse : 12061a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12062a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tEXt=excluding != MagickFalse ? MagickFalse : 12063a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12064fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding != MagickFalse ? MagickFalse : 12065fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk MagickTrue; 12066a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tRNS=excluding != MagickFalse ? MagickFalse : 12067a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12068a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_vpAg=excluding != MagickFalse ? MagickFalse : 12069a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12070a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zCCP=excluding != MagickFalse ? MagickFalse : 12071a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12072a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zTXt=excluding != MagickFalse ? MagickFalse : 12073a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 120741a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1207503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 12076689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("bkgd",value) != MagickFalse) 120771a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 120782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12079689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("chrm",value) != MagickFalse) 120801a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 12081a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 12082689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("date",value) != MagickFalse) 120831a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12085689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("exif",value) != MagickFalse) 120861a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12088689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("gama",value) != MagickFalse) 120891a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120902cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12091689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("iccp",value) != MagickFalse) 120921a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12094689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 12095689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("itxt",value) != MagickFalse) 120961a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iTXt=excluding; 12097689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 120982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12099689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("offs",value) != MagickFalse) 121001a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 121012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12102689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("phys",value) != MagickFalse) 121031a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 121042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12105689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("srgb",value) != MagickFalse) 121061a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 121072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12108689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("text",value) != MagickFalse) 121091a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 121102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12111fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (IsOptionMember("time",value) != MagickFalse) 12112fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 12113fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 12114689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("trns",value) != MagickFalse) 121151a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 12116a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 12117689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("vpag",value) != MagickFalse) 121181a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 121192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12120689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("zccp",value) != MagickFalse) 121211a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 121222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12123689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("ztxt",value) != MagickFalse) 121241a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 1212526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1212626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 121271a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (logging != MagickFalse) 1212826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1212926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 121305d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1213126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1213226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1213326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1213426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1213526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1213626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 12137a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 12138a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12139a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1214026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1214126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1214226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1214326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1214426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1214526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1214626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1214726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1214826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 12149689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 1215026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1215126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1215226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 12153689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 12154689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp 1215526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1215626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1215726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1215826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1215926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1216026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1216126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1216226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1216326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1216426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1216526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1216626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 12167fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (mng_info->ping_exclude_tIME != MagickFalse) 12168fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12169fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk " tIME"); 12170a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 12171a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12172a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1217326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1217426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1217526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1217626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1217726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1217826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1217926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1218026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1218126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1218226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1218326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 12184b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 121853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1218616ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 121890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 121920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 121973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 121993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1220016ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 122023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 122043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 122063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 122073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1220903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 122103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 122113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 122133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 122143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 122163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 122173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 122193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 122213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 122223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 122233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 122243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 122253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12226bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1222759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 122283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 122293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 12231fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 122353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 122367e99a06aa771c9e270e7940731dbf9f2ab2c09b1glennrp length=0; 122373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 12239def23e5d7331b1a13ed593b6d6aca516da382328cristy transparent=image_info->type==GrayscaleAlphaType || 1224044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp image_info->type==TrueColorAlphaType || 1224144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp image->alpha_trait != UndefinedPixelTrait; 122423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122434b917593e694424be469d250448c05c878663812glennrp jng_alpha_sample_depth = 0; 122444b917593e694424be469d250448c05c878663812glennrp 1224559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1224659575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1224759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1224859575fa5c228308a41d7f5028390be2083aaaf6dglennrp 12249750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1225059575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1225159575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1225259575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1225359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12255d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp length=0; 12256d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 122578fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 122583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 122600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1226416ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 122650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 122670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1227516ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 122763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 12278151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 122798a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 122808f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1228116ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1228216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 12284151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(jpeg_image_info->filename,MagickPathExtent, 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1228759575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1228859575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1228959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1229059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1229159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1229259575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 12297def23e5d7331b1a13ed593b6d6aca516da382328cristy if (image_info->type != TrueColorAlphaType && image_info->type != 12298f1d8548abecaf5ca89d453fd9fc0cde77d20672bdirk TrueColorType && SetImageGray(image,exception)) 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1230159575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1230259575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1230359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1230459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1230559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1230659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 123078fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 1230859575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1230959575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1231059575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1231159575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1231259575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1231359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1231459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1231559575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1231659575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1231759575fa5c228308a41d7f5028390be2083aaaf6dglennrp 123188fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1232516ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1232716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 1232844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1232944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1233044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12335151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MagickPathExtent); 12336151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MagickPathExtent); 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12339cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 12340cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 12341cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 12342b3f97ae45019a91b30792a6fa42d81a2689a7025cristy blob=(unsigned char *) ImageToBlob(jpeg_image_info,jpeg_image, 12343b3f97ae45019a91b30792a6fa42d81a2689a7025cristy &length,exception); 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1234616ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1235216ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1235516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 1235644c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1235744c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1235844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12360151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MagickPathExtent); 12361151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 12366b3f97ae45019a91b30792a6fa42d81a2689a7025cristy blob=(unsigned char *) ImageToBlob(jpeg_image_info,jpeg_image,&length, 1236716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 123690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12372e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12373e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1238503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 123864e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 123874e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 123883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 123893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 123933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 123973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12401f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 124020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12404f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 124050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 124080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 124110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 124140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 124170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 124200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 124230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 124260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 12432cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124388fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 124473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12449bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 124543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12456bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 124573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1245803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 124593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 124603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 124633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 124643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 124763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1247903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 124800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12482e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12483cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12484e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 124850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12487e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12488cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12489e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 124900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 124923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 124933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 124973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 125003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1250303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1250435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1252003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 125213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1252235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1252335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 125243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1252535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1252635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1252835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1252935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1253135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1253235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1253816ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 125393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1254503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 125463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1254835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1254916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 125500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1255135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1255216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 125530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1256135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1256216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 125630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1256435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1256516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 125660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 125683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1257216ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1257316ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1258803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12589bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12590bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1259903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126078fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12611bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12614fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy size_t 126153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 126183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12620e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12621f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 126223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12626bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 126273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12628931319b135549a7266ccb46482af6e3ea9468747Cristy len=(size_t) (*p) << 24; 12629931319b135549a7266ccb46482af6e3ea9468747Cristy len|=(size_t) (*(p+1)) << 16; 12630931319b135549a7266ccb46482af6e3ea9468747Cristy len|=(size_t) (*(p+2)) << 8; 12631931319b135549a7266ccb46482af6e3ea9468747Cristy len|=(size_t) (*(p+3)); 126323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 126330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12637fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image,len); 12638fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy LogPNGChunk(logging,mng_IDAT,len); 12639fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlob(image,len+4,p); 12640fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image, crc32(0,p,(uInt) len+4)); 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12647e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12648e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126537e99a06aa771c9e270e7940731dbf9f2ab2c09b1glennrp else if (length != 0) 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12658e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12659bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1266103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 126753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1268316ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 12686151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 12689151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(jpeg_image_info->filename,MagickPathExtent,"%s", 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1269316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12697e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12698e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1270044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1270144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1270244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 127050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1270659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1270759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 12708151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MagickPathExtent); 12709151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 127100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 127140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12715b3f97ae45019a91b30792a6fa42d81a2689a7025cristy blob=(unsigned char *) ImageToBlob(jpeg_image_info,jpeg_image,&length, 12716b3f97ae45019a91b30792a6fa42d81a2689a7025cristy exception); 127170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12721e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12722e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12725e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12729bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 127303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1273103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 127333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 127343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 127373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12742cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1274703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 127540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 127573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1277616ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1277716ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 127783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1278516ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1278616ea139d53d867211d3bb0fa859a83de653f687ecristy% 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1278916ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1279016ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1279321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1279403812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 12804e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 12806e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image->signature == MagickCoreSignature); 128073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12808fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1280916ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 128113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128128320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy if ((image->columns > 65535UL) || (image->rows > 65535UL)) 128138320f8b3b9670410e3e1b6f23f6de429d8f2102eCristy ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1281973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1283116ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 128383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1284216ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1284316ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1285221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1285503812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1285603812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1285703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 128683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12875bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 128763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 128793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 128833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12885bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 128863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 128873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12888bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12892d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 128933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 12902e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image_info->signature == MagickCoreSignature); 129033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 12904e1c94d9d25db6b0dd7a5028ffee31d1057855d73cristy assert(image->signature == MagickCoreSignature); 129053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12906fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1290716ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 129083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 129093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1291573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129552dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Checking input image(s)\n" 129562dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Image_info depth: %.20g, Type: %d", 129572dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) image_info->depth, image_info->type); 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12964280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " Scene: %.20g\n, Image depth: %.20g", 12965280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp (double) scene++, (double) p->depth); 129660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1296717f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (p->alpha_trait != UndefinedPixelTrait) 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 129700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 129740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 129763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 129780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 129820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 129843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12985e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 129860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 129900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 130403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 130530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 130600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1306117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (next_image->alpha_trait != UndefinedPixelTrait) 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 130630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 1306517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((next_image->alpha_trait != UndefinedPixelTrait) || 13066dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy next_image->page.x || next_image->page.y || 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 130700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 130730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 130750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 130790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1308517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 130893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13090f1d8548abecaf5ca89d453fd9fc0cde77d20672bdirk if (SetImageGray(image,exception) == MagickFalse) 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 130923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 130943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 130953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 130963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 131033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 131070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 131100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 131140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1311616ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1311716ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 131190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 131363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 131433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 131653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131710261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 13172d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 13173d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1317416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1317516ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 13176d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 13177d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 13178d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 13184cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 13185cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 131880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 131910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 131940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 13197b9d46a1991a7ff58b567caff7ab7461dfe8cb7c7cristy (final_delay != 25) && (final_delay != 50) && 131980bf214346985a874b4fdc1e2631983bfea5155cddirk (final_delay != (size_t) image->ticks_per_second)) 131993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 132003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 13203b9d46a1991a7ff58b567caff7ab7461dfe8cb7c7cristy mng_info->ticks_per_second=image->ticks_per_second; 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 132063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 132073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 132083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 132133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 132143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1321503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 132164e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 132174e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 132183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 132193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 132203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 132213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 132223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 132253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 132273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 132280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 132313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 132363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 132370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 132403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 132490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 132573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 132580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 132613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 13265092ec8d083fedaedfb7792995e7ea42164553cffcristy option=GetImageOption(image_info,"mng:need-cacheoff"); 132663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 13276bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1327703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 132803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 132813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 132833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 132843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 132853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 132883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1329103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 132923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 132943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 132953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 132960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 132990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 133020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 133043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13306e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 13307e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 133080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 133103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13311e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 133120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13315e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 133163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 133183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 133193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 133223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 133243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 133253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 133283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 133303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1333103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 133320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 13334e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13335cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13336e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 133370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 13339e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13340cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13341cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 133420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 133443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 133453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 133463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 133513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 133543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 133563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1335703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1335835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 133593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 133603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 133613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 133623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 133643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 133663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 133673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 133703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 133723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1337303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 133743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1337535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1337635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 133773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1337835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1337935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 133803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1338135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1338235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 133833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1338435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1338535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 133863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 133873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 133883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 133893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1339116ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 133923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 133953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 133973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1339803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 133990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 134013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1340235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1340316ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 134040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1340535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1340616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 134070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 134093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 134143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1341535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1341616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 134170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1341835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1341916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 134200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 134223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1342616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1342716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 134283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 134293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 134323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 134333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 134363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 134373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1343817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (write_mng && ((image->alpha_trait != UndefinedPixelTrait) || 13439dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy image->page.x > 0 || image->page.y > 0 || (image->page.width && 134403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 134413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 134423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 134433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 134453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1344603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 134473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 134483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 134493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 134503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 134513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 134523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 134533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 134543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 134553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 134563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 134583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1345903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 134603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 134613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 134623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 134663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 134673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 134683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 134693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13470bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 134713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 134723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1347903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13481bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1348316ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1348416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1348516ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1348616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1348716ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1348816ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 134893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 134933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 134983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 134993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 135003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 135013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 135023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 135043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 135063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 135083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 135093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 135113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 135123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 135143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 135163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 135193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 135203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 135223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 135233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 135243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 135273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13528bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 135293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 135303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 135323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 135333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1353403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 135350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13536bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 135373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 135393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 135403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 135413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 135433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 135443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 135453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 135463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 135473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 135513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 135543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13555bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 135563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 135573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 135583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 135603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 135623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 135633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 135673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 135683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 135703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 135713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 135723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 135743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1357503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 135763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 135773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 135783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 135793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 135803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 135813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 135823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 135833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 135843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 135893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 135913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 135923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 135943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 135953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 135963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 135983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 136013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 136033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1360403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 136053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 136063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 136073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 136083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 136103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 136133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 136153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1361603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 136173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 136183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 136193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 136203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 136213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 136223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 136233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 136243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 136253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 136263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 136273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 136284e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 136293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 136313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 136333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 136343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 136353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 136373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 136383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 136393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 136413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 136423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 136433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 136443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1364516ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 136463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 136473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 136493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 136503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 136533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 136542f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13655b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 136568d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 136572f2e514554975d510c88df54de98c6cdc1080f1cglennrp 136582f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 136592f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 136602f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13661a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 136622f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 136632f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 136642f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 136652f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 136662f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 136672f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 136682f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 136692f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13670a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 136712f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 136722f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 136732f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 136742f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1367516ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 136763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 136783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 136833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 136853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 136863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 136883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 136893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 136900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 136950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 136973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 136993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 137003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 137013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 137023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 137033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 137043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1370503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 137063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 137073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 137083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 137093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 137103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 137113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 137123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 137133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 137140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 137153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 137163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 137170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 137183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 137193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13720d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1372139992b4dd9b12ef752d55b8e402c069698851f72glennrp 137223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 137233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 137243bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 137253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 137263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 137270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 137283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 137293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 137303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1373139992b4dd9b12ef752d55b8e402c069698851f72glennrp 137323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 137333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 137343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 137353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13736d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 137373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13738