png.c revision c1e07709d63f88437cf56ddbc6b3889a96711346
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% % 21b56bb24a985ca4366713bcd8ffdfacbb48a98a2fcristy% Copyright 1999-2015 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 52885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 52985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 53085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 53185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 53285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 53385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 53485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 53585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 53685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 53785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 53885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 53985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 54085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 54185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 54285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 54385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 54485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 54585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 54685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 54785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 54885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 54985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 55085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 55185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 55285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 55385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 55485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 55585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 55685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 55785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 55885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 55985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 56085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 56185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 5623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 56485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 56585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 56685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 56785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 56885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 56985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic 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: */ 57485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 57585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 57685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 57785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 57885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 57985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 58085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic 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); 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 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 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122803812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep 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 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2212faa852bad40107edae19405e76a299057668d795glennrp 22133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2238e604a757f40a91c286711c49577eeced17ea97adglennrp { 2239e604a757f40a91c286711c49577eeced17ea97adglennrp const char 2240e604a757f40a91c286711c49577eeced17ea97adglennrp *value; 2241e604a757f40a91c286711c49577eeced17ea97adglennrp 2242e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"profile:skip"); 2243e604a757f40a91c286711c49577eeced17ea97adglennrp 2244e604a757f40a91c286711c49577eeced17ea97adglennrp if (IsOptionMember("ICC",value) == MagickFalse) 2245e604a757f40a91c286711c49577eeced17ea97adglennrp { 2246e604a757f40a91c286711c49577eeced17ea97adglennrp 2247e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 2248e604a757f40a91c286711c49577eeced17ea97adglennrp 2249e604a757f40a91c286711c49577eeced17ea97adglennrp if (value == NULL) 2250e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 2251e604a757f40a91c286711c49577eeced17ea97adglennrp 2252e604a757f40a91c286711c49577eeced17ea97adglennrp if (value != NULL) 2253e604a757f40a91c286711c49577eeced17ea97adglennrp ping_preserve_iCCP=MagickTrue; 2254201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp 2255201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#if defined(PNG_SKIP_sRGB_CHECK_PROFILE) && defined(PNG_SET_OPTION_SUPPORTED) 2256201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp /* Don't let libpng check for ICC/sRGB profile because we're going 2257201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp * to do that anyway. This feature was added at libpng-1.6.12. 2258cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp * If logging, go ahead and check and issue a warning as appropriate. 2259201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp */ 2260cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp if (logging == MagickFalse) 2261cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON); 2262201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#endif 2263e604a757f40a91c286711c49577eeced17ea97adglennrp } 2264e604a757f40a91c286711c49577eeced17ea97adglennrp#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 2265e604a757f40a91c286711c49577eeced17ea97adglennrp else 2266e604a757f40a91c286711c49577eeced17ea97adglennrp { 2267e604a757f40a91c286711c49577eeced17ea97adglennrp png_set_keep_unknown_chunks(ping, 1, mng_iCCP, 1); 2268e604a757f40a91c286711c49577eeced17ea97adglennrp } 2269e604a757f40a91c286711c49577eeced17ea97adglennrp#endif 2270e604a757f40a91c286711c49577eeced17ea97adglennrp } 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22732ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#if PNG_LIBPNG_VER < 10700 /* Avoid libpng16 warning */ 22742ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp png_set_keep_unknown_chunks(ping, 2, NULL, 0); 22752ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#else 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22772ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#endif 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22852feb141b6f74ce425fed3272286fab1f50366bb9glennrp#ifdef PNG_SET_USER_LIMITS_SUPPORTED 228609cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# if (PNG_LIBPNG_VER >= 10400) 22872feb141b6f74ce425fed3272286fab1f50366bb9glennrp /* Limit the size of the chunk storage cache used for sPLT, text, 2288687361928f16a28ea56e200d00e970e68173cc25glennrp * and unknown chunks. 22892feb141b6f74ce425fed3272286fab1f50366bb9glennrp */ 2290687361928f16a28ea56e200d00e970e68173cc25glennrp png_set_chunk_cache_max(ping, 32767); 229109cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# endif 22922feb141b6f74ce425fed3272286fab1f50366bb9glennrp#endif 22932feb141b6f74ce425fed3272286fab1f50366bb9glennrp 22949bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 22959bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 22969bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 22979bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 22989bf97b6c2143eb20c330346b01e82102cc082725glennrp 2299991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2300991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2301991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2315991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2319faa852bad40107edae19405e76a299057668d795glennrp 2320faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2321faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2322faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2323faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2324faa852bad40107edae19405e76a299057668d795glennrp 2325fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2326fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 23270d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp /* Swap bytes if requested */ 23280d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp if (ping_file_depth == 16) 23290d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp { 23300d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp const char 2331a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp *value; 23326647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2333a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageOption(image_info,"png:swap-bytes"); 23346647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2335a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value == NULL) 2336a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageArtifact(image,"png:swap-bytes"); 23376647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2338a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value != NULL) 2339a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp png_set_swap(ping); 23400d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp } 23410d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp 23425830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp /* Save bit-depth and color-type in case we later want to write a PNG00 */ 23435830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 23445830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp char 2345151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 23465830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2347151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_color_type); 23483398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color-type-orig",msg,exception); 23495830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2350151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_bit_depth); 23513398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit-depth-orig",msg,exception); 23525830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 23535830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2354faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2355faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2356faa852bad40107edae19405e76a299057668d795glennrp 2357faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2358faa852bad40107edae19405e76a299057668d795glennrp 2359faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2361fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2362fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2364faa852bad40107edae19405e76a299057668d795glennrp 2365faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2367faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 236898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2369176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2370176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2371176b29a003f11fd934137871d574995319408665cristy { 2372176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 237398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2374176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2375176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2376176b29a003f11fd934137871d574995319408665cristy } 237798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23812dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG width: %.20g, height: %.20g\n" 23822dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG color_type: %d, bit_depth: %d\n" 23832dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG compression_method: %d\n" 23843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 23852dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) ping_width, (double) ping_height, 23862dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_color_type, ping_bit_depth, 23872dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_compression_method, 2388faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 23892dd1906783a5ece58a6105b4f59239e28b13caddglennrp 23903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2392ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 2393ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2394ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 2395ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (logging != MagickFalse) 2396ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2397ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 2398ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2399ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 240098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 240198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 240298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 240398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 240498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 240598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 240698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 240798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 240898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 240998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 241198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 241298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 241398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 241498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 241598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2416ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP != MagickTrue && png_get_valid(ping,ping_info, 2417ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 241898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2419ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB=MagickTrue; 242098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 242198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2422ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG sRGB chunk."); 242398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2425ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2426e604a757f40a91c286711c49577eeced17ea97adglennrp if (ping_found_iCCP !=MagickTrue && 2427ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB != MagickTrue && 2428ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 242998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2430ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 243198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 243298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2433ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 243498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 243598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2436faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 24373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 24403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2441e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2442e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2443e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2444e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2445e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2446e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2447e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2448e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2466ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2467e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2468ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2469e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2470ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2471ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_warning(ping, "ICC profile is NULL"); 2472ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2473ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2474ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else 2475ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2476ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_preserve_iCCP == MagickFalse) 2477edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2478ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp int 2479ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 2480ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 2481ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2482ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2483ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 2484ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length, 2485ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 2486ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp unsigned char 2488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp *data; 2489ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2490ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length=(png_uint_32) GetStringInfoLength(profile); 2491ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2492ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 2493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 2495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2496ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 2497ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2498ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 2500ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2501ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2502ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 2503ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 2504ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 2507ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 2508ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2509ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 2511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2513ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 2514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 2515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 2516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent==UndefinedIntent) 2517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2518ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2519ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 2520ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 2521ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2522ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp break; 2523ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2524ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2525ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2526ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 2527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 2530ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2531ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2533edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else /* Preserve-iCCP */ 2535edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2536ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2537edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2538ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2539ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2540ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2544ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 25463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2547ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP==MagickFalse && png_get_valid(ping,ping_info, 2548ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 2549ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2550ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_sRGB(ping,ping_info,&intent)) 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2552ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2553ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2554ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent (intent); 25550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2558e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2560ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2561ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2562ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else if (mng_info->have_global_srgb) 2563ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2564ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2565ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2566ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent 2567ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (mng_info->global_srgb_intent); 2568ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2571ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2572ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2574faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2575faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2576faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 25770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 258698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2587faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2588faa852bad40107edae19405e76a299057668d795glennrp { 2589faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2590faa852bad40107edae19405e76a299057668d795glennrp { 2591faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2592faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2593faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2594faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2595faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2596faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2597faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2598faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2599faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2600faa852bad40107edae19405e76a299057668d795glennrp } 2601faa852bad40107edae19405e76a299057668d795glennrp } 26020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2603faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 26083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 26113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 26123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 26140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2615ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_cHRM=MagickTrue; 2616ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 26173d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (image->chromaticity.red_primary.x>0.6399f && 26183d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 26193d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 26203d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 26213d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 26223d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 26233d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 26243d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 26253d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 26263d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 26273d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 26283d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 26293d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 26303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 26313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 26323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f) 26333d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM=MagickTrue; 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2636e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26383d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (ping_found_sRGB != MagickTrue && 26393d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_gAMA != MagickTrue || 264084288238d90b2e1831857d6b2427abd7875b7e1bglennrp (image->gamma > .45 && image->gamma < .46)) && 26413d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_cHRM != MagickTrue || 2642cd8b331760407523f2a59cc65c1cd9c3d4422bafcristy ping_found_sRGB_cHRM != MagickFalse) && 26433d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_iCCP != MagickTrue) 26445cf1bff142633838354b1080183c957900bc80e8glennrp { 26455cf1bff142633838354b1080183c957900bc80e8glennrp png_set_sRGB(ping,ping_info, 26465cf1bff142633838354b1080183c957900bc80e8glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 26475cf1bff142633838354b1080183c957900bc80e8glennrp (image->rendering_intent)); 26485cf1bff142633838354b1080183c957900bc80e8glennrp file_gamma=1.000f/2.200f; 26495cf1bff142633838354b1080183c957900bc80e8glennrp ping_found_sRGB=MagickTrue; 265084288238d90b2e1831857d6b2427abd7875b7e1bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2651918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp " Setting sRGB as if in input"); 26525cf1bff142633838354b1080183c957900bc80e8glennrp } 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26545cf1bff142633838354b1080183c957900bc80e8glennrp 26553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2656faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2658905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2659905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 26600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 26633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2664e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2665e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 26663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2669faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2670faa852bad40107edae19405e76a299057668d795glennrp { 2671faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2672faa852bad40107edae19405e76a299057668d795glennrp { 2673faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2674faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2675faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2676faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2677faa852bad40107edae19405e76a299057668d795glennrp } 2678faa852bad40107edae19405e76a299057668d795glennrp } 2679faa852bad40107edae19405e76a299057668d795glennrp 26805c97f62ba919c3c109f0072df3b560056565e9e7cristy x_resolution=0; 26815c97f62ba919c3c109f0072df3b560056565e9e7cristy y_resolution=0; 26825c97f62ba919c3c109f0072df3b560056565e9e7cristy unit_type=0; 2683faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 26890881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 269016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 269116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 26920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 269616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 269716ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2702e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2703e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2706823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2707faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2715faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 27163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 27210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2722faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2723edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2726edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2727edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2729edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2730edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2731edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2732edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2733edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2734edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2735bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 27363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 27393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2740faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 27433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 27443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2749faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2750faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 27510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 27533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 27540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 27570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 27600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2761c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2762c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2763c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2769edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 27703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2773bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2774faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2775faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 27763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 27770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2778faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2780bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2781bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2782bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 27832dd1906783a5ece58a6105b4f59239e28b13caddglennrp /* Set image background color. 27842dd1906783a5ece58a6105b4f59239e28b13caddglennrp * Scale background components to 16-bit, then scale 2785bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2786bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 27872cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2788bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 27890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2790fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2791bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 27920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2793fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2794bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 27950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2796fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2797bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 27980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2799fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2800bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 28012cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2802bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2803bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2804bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 28052cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2806bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2807bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 28082dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 28092dd1906783a5ece58a6105b4f59239e28b13caddglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28102dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Reading PNG bKGD chunk, raw ping_background=(%d,%d,%d).\n" 28112dd1906783a5ece58a6105b4f59239e28b13caddglennrp " bkgd_scale=%d. ping_background=(%d,%d,%d).", 28122dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->red,ping_background->green, 28132dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->blue, 28142dd1906783a5ece58a6105b4f59239e28b13caddglennrp bkgd_scale,ping_background->red, 28152dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->green,ping_background->blue); 2816bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 28172cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2818bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2819faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 28200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2821bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2822faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 28230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2824bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2825bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 28260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 282716ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 28282cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2829bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2830bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2831bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2832bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2833bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2834bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 28353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2836bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2837a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2838faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2841a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 28423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 28453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 284635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 284735ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 284835ef824baa82511126ff0072ae30eee0da9c05a3cristy 28493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 28523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2853fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2855faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2856faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2857faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2858faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2859faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2860faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 28653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2866faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 28678a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 28683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2871a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 28729b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp scale_to_short; 2873a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2874fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2875a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2876a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2877a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2878a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2879a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 288016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 288105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2882faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28840f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 28850f111984738842d27d04aed2a3f823d82a943506glennrp { 28860f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28872dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Raw tRNS graylevel = %d, scaled graylevel = %d.", 28882dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) ping_trans_color->gray,(int) transparent_color.alpha); 28890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28900f111984738842d27d04aed2a3f823d82a943506glennrp } 289116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 289216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 289316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 28943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 28983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 28993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2900faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 29013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 29023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2905faa852bad40107edae19405e76a299057668d795glennrp 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2907faa852bad40107edae19405e76a299057668d795glennrp 2908faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2909faa852bad40107edae19405e76a299057668d795glennrp 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2914bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2916bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2919faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2920faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2931faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2932faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2933a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 293416ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 293516ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 29368d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29370a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp double 29380a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp image_gamma = image->gamma; 29390a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29400a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29410a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->gamma=%f",(float) image_gamma); 29420a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29430a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp if (image_gamma > 0.75) 29448d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29450a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp /* Set image->rendering_intent to Undefined, 2946e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 29478d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 294867429939a9bdca8c2ea541cd690b8e479c921527glennrp image->intensity = Rec709LuminancePixelIntensityMethod; 29498d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 29508d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2951ccc36af759d30fb50b1deda241d038402a393b17glennrp else 2952ccc36af759d30fb50b1deda241d038402a393b17glennrp { 2953ccc36af759d30fb50b1deda241d038402a393b17glennrp RenderingIntent 2954ccc36af759d30fb50b1deda241d038402a393b17glennrp save_rendering_intent = image->rendering_intent; 2955ccc36af759d30fb50b1deda241d038402a393b17glennrp ChromaticityInfo 2956ccc36af759d30fb50b1deda241d038402a393b17glennrp save_chromaticity = image->chromaticity; 2957ccc36af759d30fb50b1deda241d038402a393b17glennrp 2958ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,GRAYColorspace,exception); 2959ccc36af759d30fb50b1deda241d038402a393b17glennrp image->rendering_intent = save_rendering_intent; 2960ccc36af759d30fb50b1deda241d038402a393b17glennrp image->chromaticity = save_chromaticity; 2961ccc36af759d30fb50b1deda241d038402a393b17glennrp } 2962ccc36af759d30fb50b1deda241d038402a393b17glennrp 2963ccc36af759d30fb50b1deda241d038402a393b17glennrp image->gamma = image_gamma; 29648d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 29656647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 2966e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29670a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->colorspace=%d",(int) image->colorspace); 2968a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2969faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 297032340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 297132340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 29723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2973befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2974befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2975befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 29763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2977befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2978fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 29793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 29803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 298167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 298267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 298367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 298467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2986faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 29873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 29903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2992bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 29930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 300516ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 3006edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 30070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3008faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 30140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30156af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30216af6cf1a950b111ad0ac706269a703086693ba71glennrp 302267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 30236af6cf1a950b111ad0ac706269a703086693ba71glennrp { 30246af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 30256af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 30266af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 30276af6cf1a950b111ad0ac706269a703086693ba71glennrp } 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30329b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp Quantum 30333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3035d7c4d1cebe0454ec33c82a85c86a2737fc0f2b41cristy scale = (Quantum) (65535UL)/((1UL << ping_file_depth)-1); 30360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30379b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 30389b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp scale = ScaleShortToQuantum(scale); 30399b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#endif 30400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3041bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 30443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3049147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3050cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 3051cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3052147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 3053151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 3054147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3055fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 3056147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 3057147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3058151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 30597cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 30603398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.width,height",msg,exception); 3061147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3062151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d",(int) ping_file_depth); 30633398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit_depth",msg,exception); 3064147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3065151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (%s)", 30665dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 30675dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 30683398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color_type",msg,exception); 3069147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3070913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 3071913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3072151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Not interlaced)", 3073913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3074913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3075913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 3076913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3077151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Adam7 method)", 3078913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3079913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3080913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 3081913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3082151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d (Unknown method)", 3083913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3084913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3085913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 3086913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 3087913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 3088913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3089151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%d", 3090913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 30913398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:PLTE.number_colors",msg, 3092913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 3093913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 309439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 3095fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 309639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp read_tIME_chunk(image,ping,ping_info,exception); 3097fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 309839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 3099147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 31023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 31050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31060ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 3107347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 3108347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31101b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 31111b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 31121b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 31131b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3116e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3119edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3120868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3121cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3123edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 31270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 31340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 31360997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(image->rows,ping_rowbytes* 3137cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 31380997332e2c35a821b271d6e7473c01c10dc206adcristy else 31390997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(ping_rowbytes,sizeof(*ping_pixels)); 31400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31410997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 3142edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31430997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 31440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 31483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31515f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 315216ea139d53d867211d3bb0fa859a83de653f687ecristy 315316ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 3154edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 31550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31564b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 31574b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp 3158c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3159c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3160c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 3161c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 3162c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3163c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3164c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3167c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3168c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3169c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3170c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3171c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 3172ccc36af759d30fb50b1deda241d038402a393b17glennrp image->alpha_trait= 3173ccc36af759d30fb50b1deda241d038402a393b17glennrp (((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3174c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3175c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3176b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3178c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3179c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3180c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3181c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 31820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3183c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3184c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 31850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3186cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3187c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3188c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3189c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3190c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3191862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 319316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3194c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 31950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 319616ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 319716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 319816ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 31990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320016ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 320116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 320216ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 32030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320416ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 320516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 320616ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 32070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320816ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 320916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321016ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 32110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321216ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 321316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321416ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 32153faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3216c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3217c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3218c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3219a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3220a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3221a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3222a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3223c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3224c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 32255aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 32265aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 322716ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3228c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3229a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3230a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3231a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3232a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3233c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3234c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3235c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 32374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 323816ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 323916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 324016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 324116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 324216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 324316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 32444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3245a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3246a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3247a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 32484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 32494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 32504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 325116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3252c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3253c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3255af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 3256c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3257af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 3258af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) y, image->rows); 32590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3260c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3261c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3262c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3263c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3264c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3265c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3267af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 32687a287bfadeadea12e47c2376ca78a5d101687142cristy { 3269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 32707a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32717a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32727a287bfadeadea12e47c2376ca78a5d101687142cristy } 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3289c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3290c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3291c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 329216ea139d53d867211d3bb0fa859a83de653f687ecristy 32938a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3294b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 32950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3297b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3298b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 32990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3301edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 33020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3303bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33054f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp Quantum 33064f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha; 33074f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3309faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3310c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3313c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3314cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3315c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3316c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3317c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3318c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 33194f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 33200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 332116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3324cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3326c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3327faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33314f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 3332faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3333bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 33343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3335a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33364f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33374f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleCharToQuantum((unsigned char)*p++); 33384f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33394f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33404f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33414f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 33420b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33434f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 334416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3348bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3349a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 335347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3356bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3357a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 33589b034ff476914bd7bcc87f5b23755b1e1512b64dglennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 335987281ec8d96ad26dfed9968c29b2920cb3d96744cristy unsigned short 336058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 336158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 336258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3363c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 336458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 336558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3366c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 336758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 336858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3369c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 337058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 33710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3372faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3374c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3375c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3376c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3377c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3378c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3379c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 33804f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33814f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleShortToQuantum(quantum); 33824f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33834f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33844f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 338558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 33864f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 338716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 338858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 338958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 339058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 339158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 339258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 339347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 339458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 339558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 339616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 33974f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 339816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 33990b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 34004f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 340158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 340216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3405a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 340647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 340947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34133faa9a3fb01696daaf976d595f492cb530bffb21glennrp 34143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 34180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 341916ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 342016ea139d53d867211d3bb0fa859a83de653f687ecristy 342116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 342216ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3423bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 342416ea139d53d867211d3bb0fa859a83de653f687ecristy { 342516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 342616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 342716ea139d53d867211d3bb0fa859a83de653f687ecristy } 34280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3432af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 34337a287bfadeadea12e47c2376ca78a5d101687142cristy { 3434cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 34359fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 343647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34377a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 34387a287bfadeadea12e47c2376ca78a5d101687142cristy break; 34397a287bfadeadea12e47c2376ca78a5d101687142cristy } 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3441c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3442af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 344547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3449c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 34513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3453b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3454b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3455c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3456c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3457c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3458c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3459c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 34625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 34635aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34645aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3465bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 34665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 34675aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 347116ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 347216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 347316ea139d53d867211d3bb0fa859a83de653f687ecristy 34745c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 34755c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3476b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3477b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 34785c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3479b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 34808a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 348116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3482b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 34835c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 348447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34854eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3487ccc36af759d30fb50b1deda241d038402a393b17glennrp if (logging != MagickFalse) 3488ccc36af759d30fb50b1deda241d038402a393b17glennrp { 3489ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3490ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->storage_class=%d\n",(int) image->storage_class); 3491ccc36af759d30fb50b1deda241d038402a393b17glennrp } 3492ccc36af759d30fb50b1deda241d038402a393b17glennrp 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3494bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 34970997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 349916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3500868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3501cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 350847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3509faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 35188a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3519c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3521c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 35230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3525c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 35260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 35270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35288a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 352916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 353016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 35310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3532c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 353347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 35370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 353916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 35400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35418a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 354216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 35430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 354616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 35470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 354847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3549a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3550a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3551a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 35550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 35570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3558c11cf6a442f3046940608a5743a68cc891deb13eglennrp 355916ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 35600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3561c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3563a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3564a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3565a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 35670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 356816ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 356916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 357016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 357116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 357216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 357316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 35744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 357516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 35764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 35770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 357867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 35790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 358116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 35824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3583a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 35840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 358516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 35860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 35890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3590c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 35910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3592a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3593c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 35953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35963c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3597eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 35984eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35994eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3600a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3601a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36024eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3603a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3604a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36064eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 36074eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 36084eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36094eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 36100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36114eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36124eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36134eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 36140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36155285ae1de367013bf70a5a4e5feaefe3de8dda7bglennrp if (strlen(text[i].key) > 16 && 36166dfc26699a1aacdec9771115c4dcaf6c5c0a8f98glennrp memcmp(text[i].key, "Raw profile type ",17) == 0) 36174eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 361899f968111025b4fadb966ca482c6f57750bf007bglennrp const char 361999f968111025b4fadb966ca482c6f57750bf007bglennrp *value; 362099f968111025b4fadb966ca482c6f57750bf007bglennrp 362199f968111025b4fadb966ca482c6f57750bf007bglennrp value=GetImageOption(image_info,"profile:skip"); 362299f968111025b4fadb966ca482c6f57750bf007bglennrp 362399f968111025b4fadb966ca482c6f57750bf007bglennrp if (IsOptionMember(text[i].key+17,value) == MagickFalse) 362499f968111025b4fadb966ca482c6f57750bf007bglennrp { 362599f968111025b4fadb966ca482c6f57750bf007bglennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 362699f968111025b4fadb966ca482c6f57750bf007bglennrp (int) i,exception); 362799f968111025b4fadb966ca482c6f57750bf007bglennrp num_raw_profiles++; 362899f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 362999f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 363099f968111025b4fadb966ca482c6f57750bf007bglennrp " Read raw profile %s",text[i].key+17); 363199f968111025b4fadb966ca482c6f57750bf007bglennrp } 363299f968111025b4fadb966ca482c6f57750bf007bglennrp else 363399f968111025b4fadb966ca482c6f57750bf007bglennrp { 363499f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 363599f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 363699f968111025b4fadb966ca482c6f57750bf007bglennrp " Skipping raw profile %s",text[i].key+17); 363799f968111025b4fadb966ca482c6f57750bf007bglennrp } 36384eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36394eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36404eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 36414eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36424eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 36434eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 36444eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36454eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 3646151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy value=(char *) AcquireQuantumMemory(length+MagickPathExtent, 36474eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 36484eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 36494eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3650edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 36524eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 36544eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 36554eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 36574eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 36594eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 36604eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 36614eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 366216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36644eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36664eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36672dd1906783a5ece58a6105b4f59239e28b13caddglennrp " length: %lu\n" 36682dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Keyword: %s", 36692dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) length, 36702dd1906783a5ece58a6105b4f59239e28b13caddglennrp text[i].key); 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36734eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 367497f90e23c85b9c58387880125c29d8c99126f83aglennrp } 36754eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3676fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk num_text_total += num_text; 3677fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 36783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 36803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 369173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 36920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 369947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3704edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 37050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3707edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 37160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 371816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 37220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3724edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 37250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3726faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 37280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3729faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3730faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3731faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3732faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3733faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3734faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3735faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3736faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 37370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3738faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 37483c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 375447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37600a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 37618a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 37620a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 37630a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 37640a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 37658a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 37660a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 37670a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3768b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 37690a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3770224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#if 0 /* I'm not sure what's wrong here but it does not work. */ 377117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 37725830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37735830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 3774def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,GrayscaleAlphaType,exception); 37755830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37765830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 3777def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,PaletteAlphaType,exception); 37785830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 3780def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 37815830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 37825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 37865830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleType,exception); 37875830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37885830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteType,exception); 37905830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37925830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorType,exception); 37935830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 3794224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#endif 37955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 3796cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3797cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3798cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3799151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy msg[MagickPathExtent]; 3800cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38014eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3802cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3803cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 3804151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 3805613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 38063398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:text",msg, 380716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3808cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3809cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3810cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3811cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3812151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 3813cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 381416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 381516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3816cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3817cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 381898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 38195961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 3820151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38215961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 38223398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:cHRM",msg, 382316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38245961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3825cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3826cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 38275961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 3828151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38295961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 38303398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:bKGD",msg, 383116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38325961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 38335961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 3834151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"%s", 38355961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3836cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 383798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 383898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 38393398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:iCCP",msg, 384016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 384198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3842cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38434eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 38443398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:tRNS",msg, 384516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38464eb3931feb349dd87142c78503b779228f3e1a0fglennrp 38474eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 384898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 38494eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3850151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 385198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 385298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 385398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 38543398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:sRGB",msg, 385598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 38564eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38574eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38584eb3931feb349dd87142c78503b779228f3e1a0fglennrp 385998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 38604eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3861151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 386216ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 386316ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 38643398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:gAMA",msg, 386516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38664eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3867cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38684eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3869cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 38704eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3871151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 387207523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 38734eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 38743398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:pHYs",msg, 387516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38764eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38774eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3878cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38794eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 38804eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 38814eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3882151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent,"x_off=%.20g, y_off=%.20g", 38834eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 38843398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:oFFs",msg, 388516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38864eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38874eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38884eb3931feb349dd87142c78503b779228f3e1a0fglennrp 3889fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3890fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,end_info,exception); 3891fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3892fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 389307523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 389407523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 389507523c7d2e40370804c2036295571e4b6426f94dglennrp { 3896151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(msg,MagickPathExtent, 389707523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 389807523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 38993398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:vpAg",msg, 390016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 390107523c7d2e40370804c2036295571e4b6426f94dglennrp } 3902cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3903cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39090997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 39140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3915868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3916edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3917edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3918edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3919edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3920edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3921edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3922edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 3931919429921a43880a338ed87e128d3b96219442efglennrp *image; 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 393421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 393521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 3942151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 395247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 395647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3959fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 396016ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 396347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 396647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 397147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3972dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 397447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 397973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 398047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 398347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 399347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 39990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 400247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 400447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 40100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 401347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 401472715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 40153d627862fb79aad8a20be4f1587f0b8761db441aglennrp ((image->gamma < .45) || (image->gamma > .46)) && 40163d627862fb79aad8a20be4f1587f0b8761db441aglennrp !(image->chromaticity.red_primary.x>0.6399f && 40173d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 40183d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 40193d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 40203d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 40213d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 40223d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 40233d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 40243d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 40253d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 40263d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 40273d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 40283d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 40293d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 40303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 40313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f)) 4032ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4033ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,RGBColorspace,exception); 4034ccc36af759d30fb50b1deda241d038402a393b17glennrp } 403572715f5c299a6482f8eb175070b056d77b74a43fcristy 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 4037ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4038ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4039ccc36af759d30fb50b1deda241d038402a393b17glennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 4040ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.width,(double) image->page.height, 4041ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.x,(double) image->page.y); 4042ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4043ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->colorspace: %d", (int) image->colorspace); 4044ccc36af759d30fb50b1deda241d038402a393b17glennrp } 404597f90e23c85b9c58387880125c29d8c99126f83aglennrp 404697f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 40480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41004383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 41014383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 41024383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 4103bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 412316ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4126bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413016ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 4138e0421fec74bee9a6f9def3d51aed4204f970ad73glennrp reading_idat; 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4140bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 4154fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 41570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 415816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 41660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 416716ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 41680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4185151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy type[MagickPathExtent]; 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 41980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 42010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 4203151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(type,"errr",MagickPathExtent); 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4209e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4210e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 42136af512ae5eeeed8effd9af4d57aab7caf74c65eddirk ThrowReaderException(CorruptImageError,"CorruptImage"); 42140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 421747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42188fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 42210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 42240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4225bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 42270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 423047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4237bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 4238e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[2] << 8) | p[3]); 4239bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 4240e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[6] << 8) | p[7]); 4241e2440c250d94d64f8c70e596fe90808795aaa07ecristy if ((jng_width == 0) || (jng_height == 0)) 4242e2440c250d94d64f8c70e596fe90808795aaa07ecristy ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 424747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 425047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 425547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42592dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_width: %16lu, jng_height: %16lu\n" 42602dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_color_type: %16d, jng_image_sample_depth: %3d\n" 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 42622dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) jng_width, (unsigned long) jng_height, 42632dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_color_type, jng_image_sample_depth, 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 426547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42672dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_image_interlace_method: %3d" 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 42692dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_image_interlace_method, 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 427147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42732dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_compression_method:%3d\n" 42742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_filter_method: %3d\n" 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 42762dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_compression_method, 42772dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_filter_method, 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 428147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42828fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 428447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 430073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 430147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 430447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 430616ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 43070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 43140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 432573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 43260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 433116ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 43320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 43430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 43590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 43620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 436503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 438247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 438947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43908fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 439247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 440147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4403889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (alpha_image != NULL && image_info->ping == MagickFalse) 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4409bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 441103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44188fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 442647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4428889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (alpha_image != NULL && image_info->ping == MagickFalse) 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44378fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 44460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44478fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 44768182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 44770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 44878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 44888182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 44898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 44908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 44918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 44928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 44938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 449547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4504e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4505cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4506da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 451647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45255eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 45265eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 45270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 453447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45358fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 454516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 454616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 455016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 455116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4562fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45638fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45708fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 459816ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 460447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 46080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4609f0eec7524321f1be1bfe568a13ab7d4d0333c814cristy assert(color_image_info != (ImageInfo *) NULL); 4610151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(color_image_info->filename,MagickPathExtent,"%s", 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 46120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 46150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 46260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 46290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4630bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 463216ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 463416ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 463516ea139d53d867211d3bb0fa859a83de653f687ecristy { 463616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 463716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 463816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 463916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 464016ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 464116ea139d53d867211d3bb0fa859a83de653f687ecristy } 464247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 46480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 465903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 46650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 466816ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4670151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(alpha_image_info->filename,MagickPathExtent, 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 46740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4676bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 467916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 468147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 468217f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 468316ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 468416ea139d53d867211d3bb0fa859a83de653f687ecristy { 468516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 468616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 468716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 468816ea139d53d867211d3bb0fa859a83de653f687ecristy } 46890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 469116ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 469316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 469416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 46958a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 469616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 469716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 471147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 471247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 47200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 47220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 47230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 47260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 47280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 47390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 474044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 474144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp return((Image *) NULL); 474244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 47460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 47847ee973a2149db53911459cbf26f28eccdbc99efbglennrp *image; 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 478721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 478821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4795151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4808fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 480916ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 481947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 482047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 482247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48233b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 482647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 482747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 482973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 48300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 483447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 483547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 485247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 48640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 4872151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy page_geometry[MagickPathExtent]; 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 4875889a928b732161b6353bd880e5ea0802f184c6d4glennrp *image; 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48774383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 487821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 487921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 48804383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4887bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 490516ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4912bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4918bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4935bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 494438ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 494538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 494638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4947bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 496947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 497047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4976fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 497716ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 49800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 49830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 498747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 498847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 498947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 499073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 49910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 49940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 499547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 499647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 5004151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy magic_number[MagickPathExtent]; 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 500647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 501047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 501147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5014bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 5015bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 5045151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy type[MagickPathExtent]; 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 5056151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(type,"errr",MagickPathExtent); 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5062e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 5063e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 506644c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp { 506744c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp status=MagickFalse; 506844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp break; 506944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp } 50700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 50730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 50760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50778fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 508047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 508347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5084bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 508647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 50960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 509816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 51000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 510916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 51110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 511647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 51210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51228fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 51280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5134bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 51360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5137bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5143e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5145e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 51498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 51500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 51530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 51570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 51600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 51648182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 51680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 51710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 51740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 517916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 518147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 518216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 51830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 51860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5195151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(page_geometry,MagickPathExtent, 5196e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5197f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 51980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5200bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5202bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 52040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 52070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52188fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 52200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 52248182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 52250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 52280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5236280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " repeat=%d, final_delay=%.20g, iterations=%.20g", 5237280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp repeat,(double) final_delay, (double) image->iterations); 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 524616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 52510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 525316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5260edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 526316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 527216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 52830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 52900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 52910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 52930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 52940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5298280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " x_off[%d]: %.20g, y_off[%d]: %.20g", 5299280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->x_off[object_id], 5300280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->y_off[object_id]); 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 53100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 53170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 53400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 53430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 535516ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 53563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 536647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 536947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 537047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 53743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 53760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5377bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 538435ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53948fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 53990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 540347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5409bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 541612560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5424bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54278182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 54340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 544147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 544247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 54468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 54478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 54498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 54518182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 54538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 54558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 54578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 546247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 546647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54728fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5474e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5475cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 548047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 548447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5487fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54928fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 549447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 550116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 55023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 55040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 55070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 551147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55128fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 55150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 55190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 552247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 552347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 552547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5526bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 552847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 553047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5531bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 554247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 55468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 55470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55488182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 55498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 55500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5551bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5552bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 55530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 55560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5561e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 556347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5566bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5567bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 55680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5569bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5570bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 55710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5572bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5573bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 55740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55753a89fa4ae8254eda5e264fb9d6bfd97ea3022773glennrp if (change_timeout == 2) 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 55770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5582e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 558447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 55900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5594e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5595e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 559647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 56040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5605bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 56070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5608bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5616e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5617e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 56180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 562247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 562316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 562516ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 562647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 563347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 56380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 56480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 56568a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 565816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 56590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5663e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5664e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5670a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5680a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (length > 3) 5681a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5682a454cdcb00e5a619edb3eac3070b649569448e4aglennrp first_object=(p[0] << 8) | p[1]; 5683a454cdcb00e5a619edb3eac3070b649569448e4aglennrp last_object=(p[2] << 8) | p[3]; 5684a454cdcb00e5a619edb3eac3070b649569448e4aglennrp p+=4; 568547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5686a454cdcb00e5a619edb3eac3070b649569448e4aglennrp for (i=(int) first_object; i <= (int) last_object; i++) 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5688a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (mng_info->exists[i] && !mng_info->frozen[i]) 5689a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5690a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngBox 5691a454cdcb00e5a619edb3eac3070b649569448e4aglennrp box; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5693a454cdcb00e5a619edb3eac3070b649569448e4aglennrp box=mng_info->object_clip[i]; 5694a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if ((p-chunk) < (ssize_t) (length-17)) 5695a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->object_clip[i]= 5696a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_read_box(box,(char) p[0],&p[1]); 5697a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 569947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5700a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5704a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57178fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 572547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 572647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5735bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5738bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57458fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 575047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5753bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 575747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 575847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5759a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (length > 3) 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5761a454cdcb00e5a619edb3eac3070b649569448e4aglennrp first_object=(p[0] << 8) | p[1]; 5762a454cdcb00e5a619edb3eac3070b649569448e4aglennrp last_object=(p[2] << 8) | p[3]; 5763a454cdcb00e5a619edb3eac3070b649569448e4aglennrp p+=4; 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5765a454cdcb00e5a619edb3eac3070b649569448e4aglennrp for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 5766a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5767a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (mng_info->exists[i] && !mng_info->frozen[i] && 5768a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (p-chunk) < (ssize_t) (length-8)) 5769a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5770a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngPair 5771a454cdcb00e5a619edb3eac3070b649569448e4aglennrp new_pair; 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5773a454cdcb00e5a619edb3eac3070b649569448e4aglennrp MngPair 5774a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair; 5775a454cdcb00e5a619edb3eac3070b649569448e4aglennrp 5776a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair.a=mng_info->x_off[i]; 5777a454cdcb00e5a619edb3eac3070b649569448e4aglennrp old_pair.b=mng_info->y_off[i]; 5778a454cdcb00e5a619edb3eac3070b649569448e4aglennrp new_pair=mng_read_pair(old_pair,(int) p[0],&p[1]); 5779a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->x_off[i]=new_pair.a; 5780a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->y_off[i]=new_pair.b; 5781a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 5782a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 578447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5791bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 579224e6d42307643613e0430bac65beddf8a43671bdglennrp if (length > 4) 5793a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5794a454cdcb00e5a619edb3eac3070b649569448e4aglennrp loop_level=chunk[0]; 5795a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_active[loop_level]=1; /* mark loop active */ 579647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5797a454cdcb00e5a619edb3eac3070b649569448e4aglennrp /* Record starting point. */ 5798a454cdcb00e5a619edb3eac3070b649569448e4aglennrp loop_iters=mng_get_long(&chunk[1]); 57990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5800a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (logging != MagickFalse) 5801a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5802a454cdcb00e5a619edb3eac3070b649569448e4aglennrp " LOOP level %.20g has %.20g iterations ", 5803a454cdcb00e5a619edb3eac3070b649569448e4aglennrp (double) loop_level, (double) loop_iters); 58040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5805a454cdcb00e5a619edb3eac3070b649569448e4aglennrp if (loop_iters == 0) 5806a454cdcb00e5a619edb3eac3070b649569448e4aglennrp skipping_loop=loop_level; 58070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5808a454cdcb00e5a619edb3eac3070b649569448e4aglennrp else 5809a454cdcb00e5a619edb3eac3070b649569448e4aglennrp { 5810a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_jump[loop_level]=TellBlob(image); 5811a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_count[loop_level]=loop_iters; 5812a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 58130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5814a454cdcb00e5a619edb3eac3070b649569448e4aglennrp mng_info->loop_iteration[loop_level]=0; 5815a454cdcb00e5a619edb3eac3070b649569448e4aglennrp } 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 581947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 582224e6d42307643613e0430bac65beddf8a43671bdglennrp if (length > 0) 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 582424e6d42307643613e0430bac65beddf8a43671bdglennrp loop_level=chunk[0]; 582524e6d42307643613e0430bac65beddf8a43671bdglennrp 582624e6d42307643613e0430bac65beddf8a43671bdglennrp if (skipping_loop > 0) 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 582824e6d42307643613e0430bac65beddf8a43671bdglennrp if (skipping_loop == loop_level) 582924e6d42307643613e0430bac65beddf8a43671bdglennrp { 583024e6d42307643613e0430bac65beddf8a43671bdglennrp /* 583124e6d42307643613e0430bac65beddf8a43671bdglennrp Found end of zero-iteration loop. 583224e6d42307643613e0430bac65beddf8a43671bdglennrp */ 583324e6d42307643613e0430bac65beddf8a43671bdglennrp skipping_loop=(-1); 583424e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_active[loop_level]=0; 583524e6d42307643613e0430bac65beddf8a43671bdglennrp } 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 583747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 583824e6d42307643613e0430bac65beddf8a43671bdglennrp else 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 584024e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_active[loop_level] == 1) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 584224e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_count[loop_level]--; 584324e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_iteration[loop_level]++; 58440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 584524e6d42307643613e0430bac65beddf8a43671bdglennrp if (logging != MagickFalse) 584624e6d42307643613e0430bac65beddf8a43671bdglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 584724e6d42307643613e0430bac65beddf8a43671bdglennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 584824e6d42307643613e0430bac65beddf8a43671bdglennrp (double) loop_level,(double) 584924e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_count[loop_level]); 585047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 585124e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_count[loop_level] != 0) 585224e6d42307643613e0430bac65beddf8a43671bdglennrp { 585324e6d42307643613e0430bac65beddf8a43671bdglennrp offset= 585424e6d42307643613e0430bac65beddf8a43671bdglennrp SeekBlob(image,mng_info->loop_jump[loop_level], 585524e6d42307643613e0430bac65beddf8a43671bdglennrp SEEK_SET); 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 585724e6d42307643613e0430bac65beddf8a43671bdglennrp if (offset < 0) 585824e6d42307643613e0430bac65beddf8a43671bdglennrp ThrowReaderException(CorruptImageError, 585924e6d42307643613e0430bac65beddf8a43671bdglennrp "ImproperImageHeader"); 586024e6d42307643613e0430bac65beddf8a43671bdglennrp } 586124e6d42307643613e0430bac65beddf8a43671bdglennrp 586224e6d42307643613e0430bac65beddf8a43671bdglennrp else 586324e6d42307643613e0430bac65beddf8a43671bdglennrp { 586424e6d42307643613e0430bac65beddf8a43671bdglennrp short 586524e6d42307643613e0430bac65beddf8a43671bdglennrp last_level; 586624e6d42307643613e0430bac65beddf8a43671bdglennrp 586724e6d42307643613e0430bac65beddf8a43671bdglennrp /* 586824e6d42307643613e0430bac65beddf8a43671bdglennrp Finished loop. 586924e6d42307643613e0430bac65beddf8a43671bdglennrp */ 587024e6d42307643613e0430bac65beddf8a43671bdglennrp mng_info->loop_active[loop_level]=0; 587124e6d42307643613e0430bac65beddf8a43671bdglennrp last_level=(-1); 587224e6d42307643613e0430bac65beddf8a43671bdglennrp for (i=0; i < loop_level; i++) 587324e6d42307643613e0430bac65beddf8a43671bdglennrp if (mng_info->loop_active[i] == 1) 587424e6d42307643613e0430bac65beddf8a43671bdglennrp last_level=(short) i; 587524e6d42307643613e0430bac65beddf8a43671bdglennrp loop_level=last_level; 587624e6d42307643613e0430bac65beddf8a43671bdglennrp } 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 588047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 588447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 588816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 589147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 589447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 59110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 59140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 59170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 592416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 592847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 593447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 594047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 594347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 594947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 595247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 595847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 596147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 596747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 597047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 597647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 597947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 598547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 598847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 599447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 599847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 600216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 600647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 602547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 602916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 603247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 603547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 603916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 604247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 604547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 605047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 60668182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 60688182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 607247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 607916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 608147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 608747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 608916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 609247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 6095bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 6097bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 610547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 610847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 611147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 611447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 611747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 612047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 612347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 613147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 613447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 613747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 614247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 61508fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 615247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 615947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 616247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 616847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 617647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61778182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 61788182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6191bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6193bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 619516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 620016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 620147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 620847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 621247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 621947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 622247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 622347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 622447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 623316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6236e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6237e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 624816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 625316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 625447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 626147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 627647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 62858a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 628616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6291e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6292e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 629647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 629716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 630216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 630347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 631047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 63160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 63280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 634347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 634747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 635247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6353bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 635447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 636547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6373889a928b732161b6353bd880e5ea0802f184c6d4glennrp if (logging != MagickFalse) 6374889a928b732161b6353bd880e5ea0802f184c6d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6375889a928b732161b6353bd880e5ea0802f184c6d4glennrp "exit ReadJNGImage() with error"); 637647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 640947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 641247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 641447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 641547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 641747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64204e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 642147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 642447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 642747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 642947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 643047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 643247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 643647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 643947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 644147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 644247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 644447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64474e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 644847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 645147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 645447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 645647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 645747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 645947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 646916ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 647016ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 647116ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 647216ea139d53d867211d3bb0fa859a83de653f687ecristy 647316ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 647416ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 647516ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 647616ea139d53d867211d3bb0fa859a83de653f687ecristy 6477bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 648116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 648516ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 648616ea139d53d867211d3bb0fa859a83de653f687ecristy x; 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 648847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 648947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 649347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 649416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 649547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65113faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 65173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6519bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 652347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6524bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 652616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 652716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 652816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 652916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 653016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 653116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 653216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 653316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 653416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 653647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 654517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 654616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 654747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 655016ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 655116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 655247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 655547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 655847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 656147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 65643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6570e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6571bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 65734f7c434c6c7047588b48a5b71281f9ecf4c9d1accristy length=(size_t) GetPixelChannels(image)*image->columns; 657416ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 657516ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 657647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 657716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 657816ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 658547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 658847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6589bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6592bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 659347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6594bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6595bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 659647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6597bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6598bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 659947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6600bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 660247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6604bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 660547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 660947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6610bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 661647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 661916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6622bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 66269fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 662716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 662816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 662947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6630bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6632fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6641bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 664216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 664316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 664416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 664516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 664616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 664716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 664816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 665047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6654bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 665516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 665616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 665716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 665816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 665916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 666016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 666116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 666216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6663bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 666447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 666816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 666916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 667016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6671bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 667216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 667316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 667416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 667516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6676bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 667716ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 667816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 667916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 668016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6681bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 668216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 668347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 668417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 668516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 668616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 668716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6688bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 668916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 669616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 669716ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 669916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 670016ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 670347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6708bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 670916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 671016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 671116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 671216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 671316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 671416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 671516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 671616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6717bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 671847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6720bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 672116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 672216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 672316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 672416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 672516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 672616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 672716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6728bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 672947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 673216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 673316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 673416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6735bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 673616ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 673916ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 674016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 674116ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 674347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 674647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 674947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 675016ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 675116ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6768e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 677216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 677616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 677716ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 677847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6779bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 678216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 67837c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6785bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 678647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6787bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6788bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 678947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6790bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6791bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 679247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6793bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 679547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6797bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 679847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 68003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 68023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 680416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 680516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 680616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 680716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 68083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 680947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6813bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 681416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 681516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 681616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 681716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6818bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 681947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 682016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 682416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 682516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 682616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6827bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 682816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6829bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 683016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 683116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 683216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6833bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 683416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6835bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 683616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 683716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 683816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6839bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 684016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 684117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 684216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 684316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 684416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6845bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 684616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 68473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 684847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 68503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6853bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 685416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 685516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6856bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6858bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 685916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 686016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6861bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 686447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6869bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 687016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 687116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 687216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 687316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6874bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 687547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6877bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 687816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 687916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 688016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 688116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6882bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 688347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 688716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 688816ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 688916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6890bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 689116ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 68923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 689416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 689616ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 689847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69023faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 69043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6908bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 69093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 691147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6912bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 691416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 691516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 691616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 691716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 691816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 691916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 692016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 692116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 692216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 692447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 69473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 695847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 69643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6974bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6975bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 698147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 69853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 699347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 69983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 69993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 70023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 70033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 700416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 70063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 70073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 70133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70162b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 70172b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 701816ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 70192b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 70202b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 70212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 70222b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 70232b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 70243faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7025cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 7026cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 7027cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7028cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7029cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7030cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 703116ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 70328640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7034d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 70363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 7038bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7041d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 7045d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 704747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 704947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 705347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 70553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 70603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 70640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 706516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 70663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 70693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 707016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 70713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 70723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 707547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 707947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 70813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 70853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 70873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 70918a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 70920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 709416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 71000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 71053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 711147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 711216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 711547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 71200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 71223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 712547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 712616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 71283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 713147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 71343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 713947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 714016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 71433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 714447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 715047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 715116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 715347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 71553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 715647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 71640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 71663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 71700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 71743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 717547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 71810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 71830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7186e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7187e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 71880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 71933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 719647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 719947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7201e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 720247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7207e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 72173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7219bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 72203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 722447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 722616ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 722747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 723047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 723347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 724247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 724547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 72473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 726247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 727247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 727547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7277e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7278e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 727947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7281f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7282f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 728347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7284f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7285e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7286e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7287f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7288f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 728947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 729347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 729647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 729925c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 730447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 730747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 731047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 731525c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7338bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7341bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 7344151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy version[MagickPathExtent]; 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 735447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 736047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 736847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 7370151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,"libpng ",MagickPathExtent); 7371151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MagickPathExtent); 737247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7375151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,",",MagickPathExtent); 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 7377151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickPathExtent); 73783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 738047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 738106b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","MNG","Multiple-image Network Graphics"); 738208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags|=CoderSeekableStreamFlag; /* To do: eliminate this. */ 738347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 738847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 739047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 739347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7394afc97b1e31b78c973c4bf5e0be8d5090cfca8065glennrp entry->mime_type=ConstantString("video/x-mng"); 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 739806b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG","Portable Network Graphics"); 739947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 740447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 740608e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7407d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 740847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 741147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 741506b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG8", 741606b627a07ff44e1ff93ef1288c9f428066ded10ddirk "8-bit indexed with optional binary transparency"); 741747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 742247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 742408e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7425d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 742806b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG24", 742906b627a07ff44e1ff93ef1288c9f428066ded10ddirk "opaque or binary transparent 24-bit RGB"); 74303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 743147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 7433151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,"zlib ",MagickPathExtent); 7434151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MagickPathExtent); 743547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 74373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7438151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,",",MagickPathExtent); 7439151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) ConcatenateMagickString(version,zlib_version,MagickPathExtent); 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 744247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 744547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 745047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 745208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7453d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 745606b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG32","opaque or transparent 32-bit RGBA"); 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","PNG48", 746906b627a07ff44e1ff93ef1288c9f428066ded10ddirk "opaque or binary transparent 48-bit RGB"); 7470fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7471fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7472fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7473fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7474fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7475fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7476fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 747708e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7478d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7479fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7480fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 748106b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG64","opaque or transparent 64-bit RGBA"); 7482fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7483fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7484fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7485fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7486fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7487fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7488fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 748908e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7490d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7491fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7492fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 749306b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","PNG00", 7494c1e07709d63f88437cf56ddbc6b3889a96711346glennrp "PNG inheriting bit-depth and color-type from original, if possible"); 74955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 74965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 74975830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74985830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 74995830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#endif 75005830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75015830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 750208e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 7503d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 75045830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) RegisterMagickInfo(entry); 75055830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 750606b627a07ff44e1ff93ef1288c9f428066ded10ddirk entry=AcquireMagickInfo("PNG","JNG","JPEG Network Graphics"); 750747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 75093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 75103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 75113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 75123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 751447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 751608e9a113db499034abb5ad8d59b42f8eca3c641cdirk entry->flags^=CoderAdjoinFlag; 75177fee329aec1090ff832c1b07fc4cc70c3b604f65glennrp entry->mime_type=ConstantString("image/x-jng"); 75183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 75193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 752047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7521868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 75223d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy ping_semaphore=AcquireSemaphoreInfo(); 752318b17443128598500357da7bff2f01683cf32890cristy#endif 752447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 75263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 75343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 75473ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 75483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 7554fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG48"); 7555fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG64"); 75565830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) UnregisterMagickInfo("PNG00"); 75573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 755847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7559868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 7560cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 75613d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy RelinquishSemaphoreInfo(&ping_semaphore); 75623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 756625c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 75673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 75793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 75823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 75843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 758516ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 758616ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 759416ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 76003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 76013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 76063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 76123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 76203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 76283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 76343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 76373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 76393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 76413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7644cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 76463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 76483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 76493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 76503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7651bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 76663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 76730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7676ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7677a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7678a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7679a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7680a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 76823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7684ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7685a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7686a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7687a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7688a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7689a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7690a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7691a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 76933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 7694151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy "Raw profile type ",MagickPathExtent); 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 77023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77033b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7704f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 770647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7707bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 77103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 77123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 77133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 771447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 77173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 77183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 77193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 77203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 772147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 772447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 77273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7730cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 77314383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 77343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 77373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 77413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 77433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 774547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 774647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 774747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 774947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 77513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7753cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 77543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 775547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 775647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 775747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 775847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 775947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 776047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7761cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7762cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7763cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 776447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 776547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 776647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 776747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 776847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 776947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 777047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7771cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 777247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 77733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 777447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 77763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 777747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 77793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7781fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 7782fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void write_tIME_chunk(Image *image,png_struct *ping,png_info *info, 7783fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char *date,ExceptionInfo *exception) 7784fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 7785fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk unsigned int 7786fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk day, 7787fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk hour, 7788fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk minute, 7789fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk month, 7790fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk second, 7791fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk year; 7792fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7793fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_time 7794fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime; 7795fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7796fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time_t 7797fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ttime; 7798fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7799fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (date != (const char *) NULL) 7800fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7801fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (sscanf(date,"%d-%d-%dT%d:%d:%dZ",&year,&month,&day,&hour,&minute, 7802fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk &second) != 6) 7803fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7804fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 7805fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk "Invalid date format specified for png:tIME","`%s'", 7806fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk image->filename); 7807fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk return; 7808fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7809fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.year=(png_uint_16) year; 7810fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.month=(png_byte) month; 7811fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.day=(png_byte) day; 7812fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.hour=(png_byte) hour; 7813fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.minute=(png_byte) minute; 7814fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.second=(png_byte) second; 7815fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7816fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 7817fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7818fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time(&ttime); 7819fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_convert_from_time_t(&ptime,ttime); 7820fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7821fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_set_tIME(ping,info,&ptime); 7822fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 7823fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 7824b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7825b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 78263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 782716ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 78283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 78290997332e2c35a821b271d6e7473c01c10dc206adcristy char 78300997332e2c35a821b271d6e7473c01c10dc206adcristy im_vers[32], 78310997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_runv[32], 78320997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_vers[32], 78330997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_runv[32], 78340997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_vers[32]; 78350997332e2c35a821b271d6e7473c01c10dc206adcristy 783616ea139d53d867211d3bb0fa859a83de653f687ecristy Image 783716ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 783816ea139d53d867211d3bb0fa859a83de653f687ecristy 783916ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 784016ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 784116ea139d53d867211d3bb0fa859a83de653f687ecristy 78423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 78433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 78443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 78463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 78473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 78483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 78493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 78513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 78523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 78543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7855cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7856cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7857e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7858e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 78595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 786039992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 786139992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 78623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 78645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 78655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 78665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 78673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 78683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 78693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 78713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 78723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 78745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 78755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 78765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7877bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 78783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 78793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 788158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 788221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 788358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 788458e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7885da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7886fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7887d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 78888d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 788939992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7890991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7891918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP, 7892991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7893918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB, 7894991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 789526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 789626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 789726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7898a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7899e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 790026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 790126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 790226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 790326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 790426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 790526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 790626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7907fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME, 7908e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 790926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 791026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 791126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 791226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 79138d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 7914ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 79150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 79160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 791782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 79188ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7919d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7920d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 79213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79220997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 7923af1534a4abd2d6ef7f7e2833b95400301faff3d3cristy *volatile pixel_info; 79240997332e2c35a821b271d6e7473c01c10dc206adcristy 79253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 79263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 79273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 792816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 792916ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 793016ea139d53d867211d3bb0fa859a83de653f687ecristy 7931bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 79323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 79333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 79343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79360997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 7937d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 79385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7939f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 79400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 79415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 79425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 79435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 79445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 79455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 79465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7947bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 79485af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 79495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 79503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7951bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 79523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 79533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 79543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 79553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7956dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7957fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7958f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 79598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 79608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 79618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7962dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7963dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7964dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7965dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7966dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7967dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 79683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7969fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 79703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 797116ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 797216ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 797316ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 797416ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7975b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7976d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 7977d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 7978d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 7979d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 7980d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7981151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickLibVersionText,MagickPathExtent); 7982d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7983151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy MagickLibAddendum,MagickPathExtent); 7984ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7985d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 7986d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 7987ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 7988ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 7989ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 7990ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 7991ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7992d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 7993d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 7994ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 7995ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 7996ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 7997ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 7998ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 79998fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 8000d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 8001d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," IM version = %s", 8002d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp im_vers); 8003d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Libpng version = %s", 8004d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp libpng_vers); 8005ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 8006ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8007ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8008ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv); 8009ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8010d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 8011d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp zlib_vers); 8012ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 8013ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8014ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8015ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv); 8016ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8017d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 8018d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 80195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 80200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 80215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 80225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 80235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 80245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 80255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 80265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 80285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 80295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 80305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 80315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 80325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 80345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 80355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 80365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 80375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8038dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 8039dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 8040dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 8041dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8042da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 8043f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp ping_have_cheap_transparency=MagickFalse; 8044d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 80458d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 804639992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 8047991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 8048918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP=MagickFalse; 8049991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 8050918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB=MagickFalse; 8051991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 8052991d11dd9c33e65872778b81aff1347cd2878154glennrp 80530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 80540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 8055a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 8056dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 80570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 80580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 80590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 80600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 80610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 80620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 80630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 8064fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME=mng_info->ping_exclude_tIME; 8065dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 80660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 80670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 80680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 80690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80708d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 8071ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = mng_info->ping_preserve_iCCP; 80720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 80730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80740d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 80750d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 80760d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 80770d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 80780d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 8079ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8080ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * To do: recognize other variants of the sRGB profile, using the CRC to 8081ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * verify all recognized variants including the 7 already known. 8082ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8083ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Work around libpng16+ rejecting some "known invalid sRGB profiles". 8084ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8085ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Use something other than image->rendering_intent to record the fact 8086ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * that the sRGB profile was found. 8087ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8088ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Record the ICC version (currently v2 or v4) of the incoming sRGB ICC 8089ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * profile. Record the Blackpoint Compensation, if any. 80900d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 8091ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_exclude_sRGB == MagickFalse && ping_preserve_iCCP == MagickFalse) 80920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 80930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 80940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 80950d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 80960d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 80970d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 80980d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 80990d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 81000d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 81010d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81020d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 81030d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81040d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 81050d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81060d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 8107ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (LocaleCompare(name,"ICM") == 0)) 8108ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 8109ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8110ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 8111ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 8112ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 81130d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81140d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8115ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 8116ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 8117ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 811829a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8119ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 8120ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 81210d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8122ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 812329a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8124ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 812529a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 8126ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 8127ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8128ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 8129ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8130ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8131ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 8132ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 81330d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 8135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 81360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8137ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 8139ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 8140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8141ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 8142ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 8143ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8144ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8145ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 8146ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 8147ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 8148ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 8149ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8150ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 8151ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 8152ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 8153ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8154ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_iCCP = MagickTrue; 8155ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_zCCP = MagickTrue; 8156ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_sRGB = MagickTrue; 8157ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 8158ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 815929a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81600d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 8161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 816229a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8163ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 816429a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 816529a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81670d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 81680d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81690d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81700d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 81728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 81738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 81748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8175fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8176fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8177fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 8178fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8179f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=UndefinedClass"); 8180fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 8181fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8182f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=DirectClass"); 8183fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 8184fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8185f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=PseudoClass"); 8186f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->taint ? 8187cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickTrue": 8188cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickFalse"); 8189fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 819028af3713c9111a471cc868c787760de89236fa3cglennrp 8191750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 81927e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 8193fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 8194fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->write_png_colortype != 1 && 8195fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype != 5))) 81967e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 819716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 81987e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 81997e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 82007e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 8201c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 820228af3713c9111a471cc868c787760de89236fa3cglennrp { 8203c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 8204c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8205c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 8206c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8207c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8208c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 8209e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 8210c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 8211c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 821228af3713c9111a471cc868c787760de89236fa3cglennrp } 8213bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8214c28acd632b7ea1724a54191d15db932f2e4d25e6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 821516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 82160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82173241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 82183241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 82193241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 82203241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 82213241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 822216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82233241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8224a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 8225a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 8226a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 8227a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 8228a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8229a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 8230a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8231a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 8232a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 8233a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 8234a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 82358e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 8236cd979955e4249aab3bdd79043718fa3b120239b8dirk if (image->depth < 4) 823767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 823816ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 82398e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 82408e58efdecda887b08ef730d68290a61081ef2566glennrp 8241aac49630945ded4a68aca4f7c892e18b21afeba8dirk if (image->depth > 2) 82428e58efdecda887b08ef730d68290a61081ef2566glennrp { 82438e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 824491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 82458e58efdecda887b08ef730d68290a61081ef2566glennrp 82468e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82478e58efdecda887b08ef730d68290a61081ef2566glennrp { 824816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82498e58efdecda887b08ef730d68290a61081ef2566glennrp 825016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82518e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82528e58efdecda887b08ef730d68290a61081ef2566glennrp 82538e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82548e58efdecda887b08ef730d68290a61081ef2566glennrp { 825516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 825616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82578e58efdecda887b08ef730d68290a61081ef2566glennrp } 8258bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82598e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82608e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82618e58efdecda887b08ef730d68290a61081ef2566glennrp } 82628e58efdecda887b08ef730d68290a61081ef2566glennrp 82638e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82648e58efdecda887b08ef730d68290a61081ef2566glennrp { 82653e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82668e58efdecda887b08ef730d68290a61081ef2566glennrp { 826791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 82688e58efdecda887b08ef730d68290a61081ef2566glennrp } 82698e58efdecda887b08ef730d68290a61081ef2566glennrp } 82708e58efdecda887b08ef730d68290a61081ef2566glennrp } 82718e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 82728e58efdecda887b08ef730d68290a61081ef2566glennrp { 82738e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 827491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 82758e58efdecda887b08ef730d68290a61081ef2566glennrp 82768e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82778e58efdecda887b08ef730d68290a61081ef2566glennrp { 827816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82798e58efdecda887b08ef730d68290a61081ef2566glennrp 828016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82818e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82828e58efdecda887b08ef730d68290a61081ef2566glennrp 82838e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82848e58efdecda887b08ef730d68290a61081ef2566glennrp { 828516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 828616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82878e58efdecda887b08ef730d68290a61081ef2566glennrp } 8288bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82898e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82908e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82918e58efdecda887b08ef730d68290a61081ef2566glennrp } 82928e58efdecda887b08ef730d68290a61081ef2566glennrp 82938e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82948e58efdecda887b08ef730d68290a61081ef2566glennrp { 82953e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82968e58efdecda887b08ef730d68290a61081ef2566glennrp { 829791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 82988e58efdecda887b08ef730d68290a61081ef2566glennrp } 82998e58efdecda887b08ef730d68290a61081ef2566glennrp } 83008e58efdecda887b08ef730d68290a61081ef2566glennrp } 83018e58efdecda887b08ef730d68290a61081ef2566glennrp else 83028e58efdecda887b08ef730d68290a61081ef2566glennrp { 83038e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 830491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 83058e58efdecda887b08ef730d68290a61081ef2566glennrp 83068e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83078e58efdecda887b08ef730d68290a61081ef2566glennrp { 830816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83098e58efdecda887b08ef730d68290a61081ef2566glennrp 831016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83118e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83128e58efdecda887b08ef730d68290a61081ef2566glennrp 83138e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83148e58efdecda887b08ef730d68290a61081ef2566glennrp { 831516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 831616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83178e58efdecda887b08ef730d68290a61081ef2566glennrp } 8318bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83198e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83208e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83218e58efdecda887b08ef730d68290a61081ef2566glennrp } 83228e58efdecda887b08ef730d68290a61081ef2566glennrp 83238e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83248e58efdecda887b08ef730d68290a61081ef2566glennrp { 83253e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83268e58efdecda887b08ef730d68290a61081ef2566glennrp { 832791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 83288e58efdecda887b08ef730d68290a61081ef2566glennrp } 83298e58efdecda887b08ef730d68290a61081ef2566glennrp } 83308e58efdecda887b08ef730d68290a61081ef2566glennrp } 8331cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8332cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 833367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 833467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 833570e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8336a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 83372b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 83382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 83392b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 83402b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 83418e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 83422b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 83432b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 83442b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83453faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8346cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8347cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8348cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8349cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8350cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8351cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8352c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 835316ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 83548640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 83558640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 83568640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8357d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp image_colors = (int) image->colors; 8358d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_opaque = (int) image->colors; 8359d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_transparent = 0; 8360d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_semitransparent = 0; 8361d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 8362197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype && 8363a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8364a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 836517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image->alpha_trait == UndefinedPixelTrait))) 8366a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8367a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8368a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8369a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8370a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8371a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8372a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8373a8036d6466b63ead629795b60772f160cca77c4cglennrp 837417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 8375a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8376a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8377a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8378a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8379a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8380a8036d6466b63ead629795b60772f160cca77c4cglennrp 8381a3a520c28bd76680b547f37a391bd8f441b49fbfglennrp if (mng_info->write_png_colortype > 1 && mng_info->write_png_colortype < 7) 8382a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8383a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8384a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8385a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8386e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8387e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 83888ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 83898ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 83908ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 83918ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8392c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 839382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 83948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 839582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8396d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 839782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 83988ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8399d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8400a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8401d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8402d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8403d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8404d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8406d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8408d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 84108a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8416d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 84238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 842416ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 84288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 842916ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 843016ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8431d6bf1617e99df0272b231855a933a74e99b6578fglennrp 843216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 843316ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8434fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8435fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8439d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8441d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8443d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8445d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84478a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 844803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 84503c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8451fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 84527ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 84537ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8454d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 84558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 845616ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 84572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 84597ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 846616ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 84677ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 84682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8470d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8474d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 847916ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 848683c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8487d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 848816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 848916ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 84907ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 84918d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 84928d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84938d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84957ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8497fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8498fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8499fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 85002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8502d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85047ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 850516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8506d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 850797fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 851017f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait || 851116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 85128d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8513d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 85148d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8515d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8516d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 851716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 851816ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8519d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8520d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8521d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8522d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8523d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 852416ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8527d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 852816ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8530d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 853116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 853216ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8533d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85348d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85358d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 853616ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 85378d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8538d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 85398d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8540d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8541d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 854316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 854416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 854516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 854616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 854716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 854816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 854916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8550972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8551d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8552d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8554d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8555d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 855616ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8558d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8559d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8562d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 856416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8565d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85668d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85678d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8568d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8569d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8570d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8571d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8572d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8573d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 857416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85778d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8579d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 858016ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 858116ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 858216ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8583d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8586d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8587d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8588d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 859016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8592d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 859416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8595d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8596d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85973c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 85984054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 85994054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8600d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8601d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8602d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8603d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8604c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8605c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8606c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8607c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8608c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8609c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8611c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8612d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8613d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8614ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8615ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8616ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8617ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8618d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8619d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 862003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 86218e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8622c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8623388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8624c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8625c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8626c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8627c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8628c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8629c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 863003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8631a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8632a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8633a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8634d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8636d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 86373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8638d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8639d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8640d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8641d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8642d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 86433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8644d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8645d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8646d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8647d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86483241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 86498d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 86508d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 86518d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8652fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8653d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8654d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 86550fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 86560fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 865745d4c34ce93ff377b9671844ffa1153b821061f6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 86580fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 865996bc620815234aaec28b928df51d1754cbe390dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 866096bc620815234aaec28b928df51d1754cbe390dcglennrp "incompatible colorspace"); 86617fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 866298b95773e388844e22c6e4006bb88396b33cf6b4glennrp ping_have_non_bw=MagickTrue; 86630fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 86640fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8665d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8666d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8667d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8668d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8669d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 86706185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 867116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8672d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 86736185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8674e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8675e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8676e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 867716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 867816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8679e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8680e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8681e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8682e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8683e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 868416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8685e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8686e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8687e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8688e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8689e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8690d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8691d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8692d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 86936185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8694d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8695d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8696d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8697d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 86986185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 869916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 870016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8701d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8702d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8703e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8704d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 870516ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8706d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8707e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8708d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8709bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8710bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 87114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8712d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8713d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 871416ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8715d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8716bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8717d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8718d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8719d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8720d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8721d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8722d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8723d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8724d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8725d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8726d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8727d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 87283241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8729d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8730d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 87313241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8732d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8733d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8734d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8735d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8736d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8737d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8738c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8739c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8740bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8741d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8742d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8743d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8744d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8745d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8746d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8747d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8748d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8749d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8750d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8751d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8752d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8753d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8754d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8755d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8756d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8757d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8758d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8759d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8760d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8761d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8762d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 87633241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8764d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8765d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8766d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8767d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8768d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8769d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8770d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 87716185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8772d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8773d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8774d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8775d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 87762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8777d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8778d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8779d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8780d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8781d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8782d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 878316ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8784d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 87853faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 87863faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8787d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8788d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8789d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8790d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8791d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8792d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8793d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8794d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8795d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8796bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8797d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8798d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8799d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8800d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8801fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8802fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8803d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8804d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 880516ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 88063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 880716ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8808d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88093c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8810d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8811d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8812d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 881303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 881417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((image->alpha_trait == UndefinedPixelTrait || 881516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 881616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 881716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 881816ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 88196185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 882016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8821d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88226185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 882303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 882416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8825d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8826d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8827d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8828d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8829d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8830d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8831d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8832d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8833d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8834d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8835d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8836d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8837d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8838d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8839d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8840d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 884116ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 884283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8843d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8844d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 884572988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8846d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8847d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8848d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8849d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8850d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8851d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8852d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 885316ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8854d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88556185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88566185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88573c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8858d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8859d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8860d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8861d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8862d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 88633c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8864d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8865d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 88663c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8867d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8868d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8869d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8870d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 887103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8872d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8873d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8874d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 88756185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8876d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8877d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8878d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8879d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 88806185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8881d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8882d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8883d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8884a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8885d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8886d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8887d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8888a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8889d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8890d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8891d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8892d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8893d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8894d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8895d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 88966185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 889703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 889803812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8899d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 89003c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8901c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8902c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8903fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8904c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8905c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8906c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8907c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8908c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8909c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8910fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8911c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8912130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8913130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8914130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8915c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8916130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8917c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8918c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8919c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8920fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8921c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8922c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 892316ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8924fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 892516ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8926c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8927fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8928c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8929c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 893016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 89318ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 893211a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy SetPixelViaPixelInfo(image,&image->background_color,r); 893316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 89348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 89358ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 893616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 893716ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8938c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8939bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8940c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8941c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8942fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8943c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8944c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8945c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 894616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 894716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 894816ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8949c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8950c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8951c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8952c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8953c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8954e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8955e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8956e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8957c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8958d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8959d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8960d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8961d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8962d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8963d337164012450d70d62e71cf4a308a29004f7d57glennrp 8964d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8965d337164012450d70d62e71cf4a308a29004f7d57glennrp 896691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8967d337164012450d70d62e71cf4a308a29004f7d57glennrp 8968d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8969d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8970d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8971d337164012450d70d62e71cf4a308a29004f7d57glennrp 8972d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8973d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8974d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8975d337164012450d70d62e71cf4a308a29004f7d57glennrp { 897616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8977d337164012450d70d62e71cf4a308a29004f7d57glennrp 897816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8979d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8980d337164012450d70d62e71cf4a308a29004f7d57glennrp 8981d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8982d337164012450d70d62e71cf4a308a29004f7d57glennrp { 898316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 898454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 898516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8986d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8987bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8988d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8989d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8990d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8991d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8992d337164012450d70d62e71cf4a308a29004f7d57glennrp 8993d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 8994d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 8995d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8996d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8997d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8998d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 89998e58efdecda887b08ef730d68290a61081ef2566glennrp 9000d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 9001d337164012450d70d62e71cf4a308a29004f7d57glennrp { 900291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 9003d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9004d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9005d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 9006d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9007d337164012450d70d62e71cf4a308a29004f7d57glennrp 900882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 900982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 901082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 901182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 901282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 901382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 901582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 901782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 901982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9020e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 902182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 902382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 902482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 902582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 902616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 902782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 902982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 903082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 903282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 903416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 903516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 903682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9037bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 903882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 903982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 904082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 904182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 904282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 904382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 904482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 904582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 904682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 904782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9048e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 904982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 905082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 905191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 905282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9053d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9054d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 905582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9056c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9058c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9059c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9060c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9061c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 9062c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 90648ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 90653faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 90663faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 90673faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 90683faa9a3fb01696daaf976d595f492cb530bffb21glennrp 906991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 9070fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9071c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9072c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9073e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 9074fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9075c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 9076c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9077c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 9078c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 907916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 90808d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 908116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9082c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9083c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9084c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 9085c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 908616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 908754cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 908816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9089c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9090bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9091c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9092c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9093c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9094c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9095c722dd852e8abe407c2846d39662f7ade9c234deglennrp 9096c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 9097c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 9098c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9099c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9100c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9101e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 9102c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 9103c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 910491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 9105c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9106c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9107c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9108c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 91098ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91108ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 91118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 911234ef720923a27004960cbcf4d75a8075445e85d7glennrp /* Take care of special case with 256 opaque colors + 1 transparent 91138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 91148ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 91158ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 91168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 911734ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 911834ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 911934ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red background colors to 3-3-2-1"); 912034ef720923a27004960cbcf4d75a8075445e85d7glennrp 91218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 91228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 91238ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 91248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91258ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 91268ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9127bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 912834ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 912934ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 913034ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red pixel colors to 3-3-2-1"); 913134ef720923a27004960cbcf4d75a8075445e85d7glennrp 91328ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 91338ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 91358ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 913616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9137bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 913816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 91398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9140bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 91428ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 914316ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 914416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 914516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 914616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 91478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 914816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 91498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 915016ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 91518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9152bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 91548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9155bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91568ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91588ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91598ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 91608ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91618ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 91628ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 91648ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 91658ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 91668ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91678ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 91688ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91698ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91718ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9172fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9173a8036d6466b63ead629795b60772f160cca77c4cglennrp } 9174fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 9175fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9176fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 9177fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 9178fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 9179fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 91800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 91810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 91820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 9183d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 91840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 91860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 91870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 91890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 91900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91918d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 9192d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 91930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 91940b206f5daa453dc1035db5890cabc899736dc2d0glennrp 91950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 91960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 9197fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 9198fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 9199fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 92005a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 92015a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 92025a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 9203fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92045a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 92055a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 9206fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9207fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 9208fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9209fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 9210fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9211fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9212fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 9213fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 9214fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 921516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 9216fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 9217fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9218fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 9219fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9220fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 9221fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 922216ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 9223fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9224fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9225fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 9226fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 922716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 922816ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 922916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 923016ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 923116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 923216ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 923316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 9234fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9235fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9236fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9237fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9238fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 923916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 9240fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9241bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9242fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9243fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9244fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9245fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9246fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9247fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 924867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 924967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 925067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 9251fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 925267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 925367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 925467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 925567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 9256fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 925767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 925867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 9259fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9260fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9261bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9262fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 9263fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9264fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9265fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9266fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 9267fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9268fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9269fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9270fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 9271fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9272fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9273fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9274fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9275fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 92763c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 92773c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 92783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 92793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 9280f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 928117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image_matte=image->alpha_trait != UndefinedPixelTrait ? MagickTrue : MagickFalse; 928283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 928348c20621d4ce02a3833b107f710843d1e524d559glennrp if (mng_info->write_png_colortype < 5) 9284197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 9285197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp image_colors <= 256 && image->colormap != NULL; 9286197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp else 9287197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette = MagickFalse; 92883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 928952a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 929052a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 929152a479ca718756af72f96e127f8256499ab68f76glennrp { 929216ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 929316ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 929416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 929515e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 929616ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 929752a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 929852a479ca718756af72f96e127f8256499ab68f76glennrp } 929952a479ca718756af72f96e127f8256499ab68f76glennrp 93003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 93023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 930416ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 930516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 93063e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9307cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9308cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 93090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93113e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9312cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 93130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 93163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 93190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 93270997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 93283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 93353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 93363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 93373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9339868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9340cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9342edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 93430997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 93440997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 9345edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9346edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9347edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9348edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 934916ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 935016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 935116ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 935216ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 93533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 93543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9355edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9356edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9357edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9358edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9359edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9360edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9361868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9362edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9363edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9364edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9365943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 9366a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 9367a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 9368a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 9369a3a5f956194e91458e2789966ad15308e8f3df47glennrp 93703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 93723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93739bf97b6c2143eb20c330346b01e82102cc082725glennrp 93743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 93753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 937625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 937825024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 937925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 938025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 938125024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 938225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 938325024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 938425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 93852b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 93883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 93893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 93902b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93932b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 93952b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93964e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 93974e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 93982b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9402fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48 || mng_info->write_png64) 9403fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_depth=16; 9404fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 94053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 94070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 94093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 94103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 94110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 94133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 94170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9421e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9423e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94258a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 94263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94278640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94298640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 94303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94318640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 94335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9434dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 943526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 943726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 943826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 943916ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9443dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9444dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 94453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 94473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9448dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9449823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 945016ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9451823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 945216ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 94533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9454dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 94563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9457dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 945816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 945916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 94603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9461991d11dd9c33e65872778b81aff1347cd2878154glennrp 94623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9464dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 946516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 946616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 94673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9468991d11dd9c33e65872778b81aff1347cd2878154glennrp 9469823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9470823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9471823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9472823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9473823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9474991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 94753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 947626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 94773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9478a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 947926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 948026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9481a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 94823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9483a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9484a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9485a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9486a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9487a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9488a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 94890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9490a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9491a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 94920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9493a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9494a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 94950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9496a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9497a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 94980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9499a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9500a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 95010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9502a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9503a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 95040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9505a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9506a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9507c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9508c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 95090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95123b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 95133b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95143b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9515c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9516c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9517c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 95183b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 95193b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95203b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 95213b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 95220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 952426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 95283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 95310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95321273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 95333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9534fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 95350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 95360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 95388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 95398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 95400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 95430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 95450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9549f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 95500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 95520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 95530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 95540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 95550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 95560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 955867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 95590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 956067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 956167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 956267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 95630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 95643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95662b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 95688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 95698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 95705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 957158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 95728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 95750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 95778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 95783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 95808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 95810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95832cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 95848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 95850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 95870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 95880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 95908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 95918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95931273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 95944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95951273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 95961273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 95971273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 95981273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 95994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 96004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 96014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 96020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9604c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9605c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9606c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9607c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9608c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9609c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 96114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 96130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9614fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png_colortype == 1) 9615fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 9616fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_matte=MagickFalse; 9617fd164d2bf84b111e304959af5698757d60e9b8aeglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 9618fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 9619fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 9620fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png24 || mng_info->write_png48 || 9621fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 3) 96223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9627fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png32 || mng_info->write_png64 || 9628fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 7) 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 96393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 96410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 96435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96452cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 96487c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 96497c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 96507c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96517c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96547c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96583c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 96590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9660d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 96618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 96620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9663d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 96643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9669def23e5d7331b1a13ed593b6d6aca516da382328cristy if (image_info->type == TrueColorAlphaType) 96703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 9676def23e5d7331b1a13ed593b6d6aca516da382328cristy image_info->type == PaletteAlphaType) 96775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96785aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 96797c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 9680261f64eea2c3a5a9586da65af2c59d2a39b05de0glennrp image_info->type == UndefinedType) 96813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96825aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 96838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 96855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96865aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 96875aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 96885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96900b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 96915aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96925aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 96935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 96945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96965aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 96975aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96985aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 96995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 97015aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97025aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 97040b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97055aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97065aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 97075aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97085aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97095aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97115aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 971526c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97168640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 971726c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 97185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 97190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 97220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 97240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9726d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9727d6bf1617e99df0272b231855a933a74e99b6578fglennrp 97285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 97293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 973017f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait && ping_have_non_bw == MagickFalse) 97318d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 97323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97338640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 973635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 97375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 97380f111984738842d27d04aed2a3f823d82a943506glennrp 97390f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 97400f111984738842d27d04aed2a3f823d82a943506glennrp { 97410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9742edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 97430f111984738842d27d04aed2a3f823d82a943506glennrp } 97440f111984738842d27d04aed2a3f823d82a943506glennrp 974535ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 97465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9747d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9749d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9750d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9751d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9752d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 97530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9754d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9755d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9756d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9758d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9759d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 97603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 97632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97671a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 97681a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 97691a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 97700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9772e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 97730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9775e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 97760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 97798640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 97808640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97818640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9782e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 978558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 97863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 97884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97897c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 97907c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 97917c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 97922b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97937c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 97947c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 97957c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 97962b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 97993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 98014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 98034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 98044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9805a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 98064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 98077c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 98087c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98097c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 98104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9815bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 98180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 98204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 98210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 98234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 98240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 98264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 98270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 98294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 98300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 98324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 98330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 98354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 98360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 98384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 98390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 984111a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy (ScaleQuantumToShort(GetPixelInfoIntensity(image, 98424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 98430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 98450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 98474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9852fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9853fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9854fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9855fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9856fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 98574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98582b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98617c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98627c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 98630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 98654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 98674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 98684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 98694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 98704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 98785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 98795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 98805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98848640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 98860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98872e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 98890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 989039992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 98928d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 98938d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 98943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 989535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 98960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 98989c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 98990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99007c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 99034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 99054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 99074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 99104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 99124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 99163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 99170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9918136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9919d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9920f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 99210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 99235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 99240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 99285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 99293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 99330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 993435ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9935bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 99365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 99373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99392b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 99410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 99451a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9951bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 99553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 99624bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 99679c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 99680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 99709c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 99710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 99739c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99762b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 998417a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 998517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 99903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 99920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99933d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (!(mng_info->have_write_global_plte && matte == MagickFalse)) 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9995bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 99963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 99993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 100003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100023b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 100033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1000498156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 10005f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 100060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1000739992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 100083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 10011d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10013befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 10014befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 10015befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 100165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 10017befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 100180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1001916ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 100205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 100240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1002558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 100260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 100270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 10028d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 10029d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 100300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10032d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 10033d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 100343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 100360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 100370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10038d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 100390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10040c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10041c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10042c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10043c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 10044c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10045d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 10046d6bf1617e99df0272b231855a933a74e99b6578fglennrp 10047d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 10048d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 10049750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 1005016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 10051d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 100520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10059c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 100613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 100620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 100694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 100755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 100765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 100775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 100784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 100834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100904383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 100914383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 100922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 100933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 100953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 100983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 101013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1010235ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 1010335ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 1010435ef824baa82511126ff0072ae30eee0da9c05a3cristy 1010522ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 101063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 1010826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1011016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 1011111a06d3f2cac0f17af7963e83bc6e9ebd2a377c0cristy (ScaleQuantumToShort(((GetPixelInfoIntensity(image, 1011216ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 1011316ea139d53d867211d3bb0fa859a83de653f687ecristy 101143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101158f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1011616ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 1011716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1011816ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 1011916ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 101203b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 10121991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 1012226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101243e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101253e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101263e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 101273e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 101283e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101299be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 101303e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 101313e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101323e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101333e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101343e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1013617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1013726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1013826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101391273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 1014017a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 1014117a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 1014217a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 1014317a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 1014417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1014517a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1014617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10147a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 10148a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 1014917a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 1015017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1015117a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 1015217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 101570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10158a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1015913d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 10160a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 101610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 101623b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101633b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 101670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 101680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 101690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 101700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10171a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 1017217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10173d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 101743c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 101753b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101773b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 101783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 101793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 1018017a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 1018126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1018217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101851a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 101861a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 101893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 101940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 101970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 101980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 102000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 102040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102054054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 102064054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 1020710d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 1020810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1020910d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 1021010d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 1021110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 1021310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10214ef804f5802b3d6517d516556b64fccc5843710b6glennrp 0 or omitted: Use Z_HUFFMAN_ONLY strategy with the 1021510d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 1021610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 1021810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 1022010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 1022210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 1022410d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 1022510d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 10226750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 1022710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 1022810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 1023085dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp a MNG, otherwise "none". Did not work in IM-6.7.0-9 1023110d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 1023210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023385dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp 8: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), adaptive 1023485dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp filtering. Unused prior to IM-6.7.0-10, was same as 6 1023510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10236ef804f5802b3d6517d516556b64fccc5843710b6glennrp 9: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), no PNG filters 102371868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 1023810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023910d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 1024010d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 1024116ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 1024216ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 1024310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024410d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 1024510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024629dd80efe8d7489d5f689a8a723454e684f92a8fdirk quality=image_info->quality == UndefinedCompressionQuality ? 75UL : 1024729dd80efe8d7489d5f689a8a723454e684f92a8fdirk image_info->quality; 102480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102491868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 102501868258559ddf946fa73ef72dd43507b32623705glennrp { 102511868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102521868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 102531868258559ddf946fa73ef72dd43507b32623705glennrp } 10254750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 102551868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 102593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10260bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 102610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102621868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 102631868258559ddf946fa73ef72dd43507b32623705glennrp } 102640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102651868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102661868258559ddf946fa73ef72dd43507b32623705glennrp { 102671868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 10268a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 10269a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 10270a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 10271a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 10272a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102751868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 102761868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 102771868258559ddf946fa73ef72dd43507b32623705glennrp 102781868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102801868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102821868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 102831868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 102840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102851868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 102861868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102871868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 102881868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 102890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102901868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102911868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 102923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102934054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 1029410d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102951868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 102964054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 102974054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 102981868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102991868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 103001868258559ddf946fa73ef72dd43507b32623705glennrp else 103011868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103021868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 103031868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 103043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103061868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 103071868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 103080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103091868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 103101868258559ddf946fa73ef72dd43507b32623705glennrp { 103111868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 103121868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 103131868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 103141868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103151868258559ddf946fa73ef72dd43507b32623705glennrp else 103161868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 103171868258559ddf946fa73ef72dd43507b32623705glennrp } 103184054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 103191868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 103201868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1032110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 103221868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 103231868258559ddf946fa73ef72dd43507b32623705glennrp { 103241868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 103251868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 103261868258559ddf946fa73ef72dd43507b32623705glennrp { 103271868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 103281868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 103291868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 103301868258559ddf946fa73ef72dd43507b32623705glennrp } 103311868258559ddf946fa73ef72dd43507b32623705glennrp#endif 103324054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103331868258559ddf946fa73ef72dd43507b32623705glennrp } 103340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103351868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 103361868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103381868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 103391868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 103401868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 103410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103421868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 103431868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 103441868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 103452b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10346dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method=image_info->interlace != NoInterlace; 10347dec72c9b492c176af9813be3105518e91835ed37glennrp 10348dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_mng) 10349dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_sig_bytes(ping,8); 10350dec72c9b492c176af9813be3105518e91835ed37glennrp 10351dec72c9b492c176af9813be3105518e91835ed37glennrp /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 10352dec72c9b492c176af9813be3105518e91835ed37glennrp 10353dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype != 0) 10354dec72c9b492c176af9813be3105518e91835ed37glennrp { 10355dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 10356dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10357dec72c9b492c176af9813be3105518e91835ed37glennrp { 10358dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB; 10359dec72c9b492c176af9813be3105518e91835ed37glennrp 10360dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_bit_depth < 8) 10361dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth=8; 10362dec72c9b492c176af9813be3105518e91835ed37glennrp } 10363dec72c9b492c176af9813be3105518e91835ed37glennrp 10364dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 10365dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10366dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10367dec72c9b492c176af9813be3105518e91835ed37glennrp } 10368dec72c9b492c176af9813be3105518e91835ed37glennrp 10369dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse || 10370dec72c9b492c176af9813be3105518e91835ed37glennrp ((mng_info->write_png_depth && 10371dec72c9b492c176af9813be3105518e91835ed37glennrp (int) mng_info->write_png_depth != ping_bit_depth) || 10372dec72c9b492c176af9813be3105518e91835ed37glennrp (mng_info->write_png_colortype && 10373dec72c9b492c176af9813be3105518e91835ed37glennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10374dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype != 7 && 10375dec72c9b492c176af9813be3105518e91835ed37glennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 10376dec72c9b492c176af9813be3105518e91835ed37glennrp { 10377dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10378dec72c9b492c176af9813be3105518e91835ed37glennrp { 10379dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse) 10380dec72c9b492c176af9813be3105518e91835ed37glennrp { 10381dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10382dec72c9b492c176af9813be3105518e91835ed37glennrp " Image has transparency but tRNS chunk was excluded"); 10383dec72c9b492c176af9813be3105518e91835ed37glennrp } 10384dec72c9b492c176af9813be3105518e91835ed37glennrp 10385dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_depth) 10386dec72c9b492c176af9813be3105518e91835ed37glennrp { 10387dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10388dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:bit-depth=%u, Computed depth=%u", 10389dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_depth, 10390dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth); 10391dec72c9b492c176af9813be3105518e91835ed37glennrp } 10392dec72c9b492c176af9813be3105518e91835ed37glennrp 10393dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype) 10394dec72c9b492c176af9813be3105518e91835ed37glennrp { 10395dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10396dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:color-type=%u, Computed color type=%u", 10397dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype-1, 10398dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type); 10399dec72c9b492c176af9813be3105518e91835ed37glennrp } 10400dec72c9b492c176af9813be3105518e91835ed37glennrp } 10401dec72c9b492c176af9813be3105518e91835ed37glennrp 10402dec72c9b492c176af9813be3105518e91835ed37glennrp png_warning(ping, 10403dec72c9b492c176af9813be3105518e91835ed37glennrp "Cannot write image with defined png:bit-depth or png:color-type."); 10404dec72c9b492c176af9813be3105518e91835ed37glennrp } 10405dec72c9b492c176af9813be3105518e91835ed37glennrp 1040617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image_matte != MagickFalse && image->alpha_trait == UndefinedPixelTrait) 10407dec72c9b492c176af9813be3105518e91835ed37glennrp { 10408dec72c9b492c176af9813be3105518e91835ed37glennrp /* Add an opaque matte channel */ 10409dec72c9b492c176af9813be3105518e91835ed37glennrp image->alpha_trait = BlendPixelTrait; 10410dec72c9b492c176af9813be3105518e91835ed37glennrp (void) SetImageAlpha(image,OpaqueAlpha,exception); 10411dec72c9b492c176af9813be3105518e91835ed37glennrp 10412dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10413dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10414dec72c9b492c176af9813be3105518e91835ed37glennrp " Added an opaque matte channel"); 10415dec72c9b492c176af9813be3105518e91835ed37glennrp } 10416dec72c9b492c176af9813be3105518e91835ed37glennrp 10417dec72c9b492c176af9813be3105518e91835ed37glennrp if (number_transparent != 0 || number_semitransparent != 0) 10418dec72c9b492c176af9813be3105518e91835ed37glennrp { 10419dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type < 4) 10420dec72c9b492c176af9813be3105518e91835ed37glennrp { 10421dec72c9b492c176af9813be3105518e91835ed37glennrp ping_have_tRNS=MagickTrue; 10422dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10423dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10424dec72c9b492c176af9813be3105518e91835ed37glennrp " Setting ping_have_tRNS=MagickTrue."); 10425dec72c9b492c176af9813be3105518e91835ed37glennrp } 10426dec72c9b492c176af9813be3105518e91835ed37glennrp } 10427dec72c9b492c176af9813be3105518e91835ed37glennrp 10428dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10429dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10430dec72c9b492c176af9813be3105518e91835ed37glennrp " Writing PNG header chunks"); 10431dec72c9b492c176af9813be3105518e91835ed37glennrp 10432dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 10433dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth,ping_color_type, 10434dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method,ping_compression_method, 10435dec72c9b492c176af9813be3105518e91835ed37glennrp ping_filter_method); 10436dec72c9b492c176af9813be3105518e91835ed37glennrp 10437dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 10438dec72c9b492c176af9813be3105518e91835ed37glennrp { 10439dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 10440dec72c9b492c176af9813be3105518e91835ed37glennrp 10441dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10442dec72c9b492c176af9813be3105518e91835ed37glennrp { 10443dec72c9b492c176af9813be3105518e91835ed37glennrp for (i=0; i< (ssize_t) number_colors; i++) 10444dec72c9b492c176af9813be3105518e91835ed37glennrp { 10445dec72c9b492c176af9813be3105518e91835ed37glennrp if (i < ping_num_trans) 10446dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10447dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10448dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10449dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10450dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10451dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue, 10452dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10453dec72c9b492c176af9813be3105518e91835ed37glennrp (int) ping_trans_alpha[i]); 10454dec72c9b492c176af9813be3105518e91835ed37glennrp else 10455dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10456dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d)", 10457dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10458dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10459dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10460dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue); 10461dec72c9b492c176af9813be3105518e91835ed37glennrp } 10462dec72c9b492c176af9813be3105518e91835ed37glennrp } 10463dec72c9b492c176af9813be3105518e91835ed37glennrp } 10464dec72c9b492c176af9813be3105518e91835ed37glennrp 104650d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 104660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 104673d627862fb79aad8a20be4f1587f0b8761db441aglennrp (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 104680d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 104690d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 104700d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 104710d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10473c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10474c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 104753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10476c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 104770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10478c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10479c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1048326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10484c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10485c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10486c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up iCCP chunk"); 104896647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 1049016ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10491e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10492c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10493e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10494e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10495e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10496c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10497918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP = MagickTrue; 10498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1049926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10501c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 105023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10503c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10504c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up zTXT chunk with uuencoded ICC"); 10507cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10510c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP = MagickTrue; 10512c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10513c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105140b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10515c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10516c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10517c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 105180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10519c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10520c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105210d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 10526ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP != MagickTrue && 10527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (ping_have_sRGB != MagickFalse || 10528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1053026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1053126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1053226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1053326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1053426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1053526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1053626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1053726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 105380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1053926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10540cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10541cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 10542918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp 10543918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB = MagickTrue; 1054426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1054626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 105475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105502cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 10551918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP == MagickFalse && 10552918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB == MagickFalse && 105532cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1055426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1055526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 105563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 105603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 105613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 105653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1056826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10570918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp if (ping_exclude_cHRM == MagickFalse && ping_have_sRGB == MagickFalse) 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1057226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1057326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1057426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1057526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1057626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 10577918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp Note: if cHRM+gAMA == sRGB write sRGB instead. 1057826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1057926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1058026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1058126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1058226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1058326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1058426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1058526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1058626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1058726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1058826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1058926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1059026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1059126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1059226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1059326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1059426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1059526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1059626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1059726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10599dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1060026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1060126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1060226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10603c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1060426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 106058fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10606c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10607c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10608c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10609c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10611c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10615c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10616c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10617c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10618c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10619c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1062026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10621991d11dd9c33e65872778b81aff1347cd2878154glennrp 1062226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10623dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1062426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1062526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1062626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1062726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1062826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1062926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10630823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 106318fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10632823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10633823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10634823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10635823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10636823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10637823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10638823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10639823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10640823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10641823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10642823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10643823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10644823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1064526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10646dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10647dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10648dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 106494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10650dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1065126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1065226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1065326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1065426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10655dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1065626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1065726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1065826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1065926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1066026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10661dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10662dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10663dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10664fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 10665fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (ping_exclude_tIME == MagickFalse) 10666fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10667fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char 10668fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk *timestamp; 10669fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1067039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (image->taint == MagickFalse) 10671fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1067239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageOption(image_info,"png:tIME"); 1067339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1067439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp == (const char *) NULL) 10675fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageProperty(image,"png:tIME",exception); 10676fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1067739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1067839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp else 1067939d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp { 1068039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1068139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp " Reset tIME in tainted image"); 1068239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1068339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageProperty(image,"date:modify",exception); 1068439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 1068539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1068639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp != (const char *) NULL) 1068739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10688fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10689fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 106906647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 10691da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10692da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1069316ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10694da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10695da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10696da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10697da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10698da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10699da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10701991d11dd9c33e65872778b81aff1347cd2878154glennrp 1070239992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10703991d11dd9c33e65872778b81aff1347cd2878154glennrp { 107043b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 107080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10709991d11dd9c33e65872778b81aff1347cd2878154glennrp 107100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 107110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 107130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 107140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10715991d11dd9c33e65872778b81aff1347cd2878154glennrp 107160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 107170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 107200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 107210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 107220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107233b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10726c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 107270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 107280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 107290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 107300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10733991d11dd9c33e65872778b81aff1347cd2878154glennrp 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10735cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10736da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10738991d11dd9c33e65872778b81aff1347cd2878154glennrp 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10740cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1074226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 107454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1074626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1074726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1074826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1074926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1075026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1075126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1075203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1075326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1075426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1075526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1075626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1075726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1075826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 107629c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 107649c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10773b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10774b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 107757202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10777b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10779b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10781b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10782b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10783b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10785b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10787b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10789b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10790b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107923b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 107933b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10795b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10796b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 107970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10798b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10799e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108010997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(rowbytes,sizeof(*ping_pixels)); 108020997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 10803edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 108040997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 108050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108095f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 10810ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10811edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 108144b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 108168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 10818fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 108198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 108208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 108228d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 108238d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1082616ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10835bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10837d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 108383b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108393b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10840a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1084116ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 108420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1084316ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1084816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1084916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 108513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10855bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10856cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 108573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1086316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1086416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10868bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10869cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 108710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108723b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10873b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10874b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 108750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10876cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10877af9320404a7b05014476f844b11110157a21b73eglennrp 10878af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10879af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10880af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1088144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 10882af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10883af9320404a7b05014476f844b11110157a21b73eglennrp break; 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 10891fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 10892fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png32) && (image_matte != MagickFalse || 10893fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 10894fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1089616ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 108980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10902bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1090416ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 109052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1090616ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 109082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1091216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1091316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1091616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1091716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 109223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10925b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 109263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10927b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 109292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1093016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1093116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10932b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 109332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109343b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10935b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 109372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10938cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 109392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10940af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10941af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10942af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1094344c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 10944af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10945af9320404a7b05014476f844b11110157a21b73eglennrp break; 109468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1095216ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10957fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if ((image_depth > 8) || 10958fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || 109598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 10960fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || 10961fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 || 10962fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 109638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10965b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10966862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 109672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1096816ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 109702cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1097416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1097516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1097816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1097916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 109838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1098416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10985cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1098616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 109872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 109918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1099416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1099516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 109962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1099816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1099916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 110002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 11002b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 110042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11005cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 11006af9320404a7b05014476f844b11110157a21b73eglennrp 11007af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 11008af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11009af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1101044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 11011af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 11012af9320404a7b05014476f844b11110157a21b73eglennrp break; 11013b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 110148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 11017fd164d2bf84b111e304959af5698757d60e9b8aeglennrp /* not ((image_depth > 8) || 11018fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || mng_info->write_png32 || 11019fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 11020fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 11021fd164d2bf84b111e304959af5698757d60e9b8aeglennrp */ 110228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 110248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 110258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 110278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 110292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 110318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 110328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 110358640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 110368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 110392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104016ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 110412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104216ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 110438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1104644757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 110474bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 110484bf89731a90c6e03598950223e19e7be7b95d630glennrp 1104916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1105016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1105144757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 110522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 110548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 110582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1105916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11060cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1106116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 110658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1106616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1106716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 110682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110695eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 110705eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 110715eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110721a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 110735eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 110745eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110755eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 110765eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 110775eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 110788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 11079cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 110802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11081af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 11082af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11083af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 1108444c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 110858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 110868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110878640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 11088af9320404a7b05014476f844b11110157a21b73eglennrp } 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 11093b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 11094b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11099b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 111000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11102e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 111030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11105e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 111060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111105d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 111113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 111150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111195d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 111240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11129a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11131823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1113326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1113426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1113526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1113626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1113726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1113826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 111392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1114016ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 11141a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11142e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp /* Don't write any "png:" or "jpeg:" properties; those are just for 11143e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp * "identify" or for passing through to another JPEG 11144e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp */ 11145e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp if ((LocaleNCompare(property,"png:",4) != 0 && 11146a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp LocaleNCompare(property,"jpeg:",5) != 0) && 11147e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp 11148a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11149a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 11150a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 11151823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 11152a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 11153a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11154a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 11155a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 11156a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1115726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11158c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 11159c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11160a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 11161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 11162a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 11163a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 11164a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 11165a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 11166a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 11167c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 11168c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 11169c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 111702cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11171c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 11172c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 111732cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11174c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 11175c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 111762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11177c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1117826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11179c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 11180c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 11181c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 11182c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1118326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 111842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11185c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 11186c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11187c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11188c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 11189c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11190c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11191cbc9215c23fce410bf0bea825dee908c15271bb3glennrp " keyword: '%s'",text[0].key); 11192c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 11193c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11194c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 11195c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 11196c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1119726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1119826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1119926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 11203cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 112080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 112100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 112145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 112155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1122503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 112365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 112395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 112433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 11251edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 112520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 112583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112590997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 112603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1126116ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1126216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1126316ea139d53d867211d3bb0fa859a83de653f687ecristy 1126416ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1126516ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1126616ea139d53d867211d3bb0fa859a83de653f687ecristy 11267b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 11268b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 11269b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 11270b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1127116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 11272b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 112760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11277868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 11278edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 11279edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 11280edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 11281edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 11282edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 11283edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 11284edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 11287edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1130816ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1130916ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1131716ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1131816ea139d53d867211d3bb0fa859a83de653f687ecristy% 113193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 113203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 113223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 113243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 113255d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113275a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 113285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 113293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 113303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 113315a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 113325a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 11333e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 11334130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 11335130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 11336130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 11337e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 11338e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 11339e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 113405a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 113415a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 113423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 113435a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 113445a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 113455a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 113463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 113483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 113495a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 113505a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 113515a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 113525a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 113535a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 113543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 113563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 113573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 113580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 113595a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 113605a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 113613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11362fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG48: A 16-bit per sample RGB PNG datastream is written. The tRNS 11363fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% chunk can be present to convey binary transparency by naming 11364fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% one of the colors as transparent. If the image has more 11365fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% than one transparent color, has semitransparent pixels, or 11366fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% has an opaque pixel with the same RGB components as the 11367fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparent color, an image is not written. 11368fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 11369fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG64: A 16-bit per sample RGBA PNG is written. Partial 11370fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparency is permitted, i.e., the alpha sample for 11371fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% each pixel can have any value from 0 to 65535. The alpha 11372fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% channel is present even if the image is fully opaque. 11373fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 113745830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% o PNG00: A PNG that inherits its colortype and bit-depth from the input 113755830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% image, if the input was a PNG, is written. If these values 11376c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% cannot be found, or if the pixels have been changed in a way 11377c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% that makes this impossible, then "PNG00" falls back to the 11378c1e07709d63f88437cf56ddbc6b3889a96711346glennrp% regular "PNG" format. 113795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% 113803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11383bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11384bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11385bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 113863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 113883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 113903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11403fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% If the image cannot be written without loss with the 11404fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% requested bit-depth and color-type, a PNG file will not 11405fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% be written, a warning will be issued, and the encoder will 11406fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% return MagickFalse. 114075a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 114083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 114093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 114103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 114115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1141216ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 114133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 114163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 114173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 114203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 114213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 114263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11427bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11428bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 114293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 114313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 114323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11433bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 114343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11435bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 114363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 114380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11439d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 114400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 114410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 114420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11443cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 114440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11445d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11446d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 114475d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11448d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11449d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11450d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11451d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 114520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 114533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 114543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 114553ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1145616ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 114573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1145921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1146021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1146121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 114683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 114693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 114715c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 114725c7cf4e469a4dad7e277783749155932252c52dfglennrp 114733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 114753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 114793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11481fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 114823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1148673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 114870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 114900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 114953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11496a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 114973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 114983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 115033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 11504fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48=LocaleCompare(image_info->magick,"PNG48") == 0; 11505fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64=LocaleCompare(image_info->magick,"PNG64") == 0; 115063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11507092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:format"); 11508b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 115095a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value != (char *) NULL || LocaleCompare(image_info->magick,"PNG00") == 0) 11510b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11511f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11512f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " Format=%s",value); 11513f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11514fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png8 = MagickFalse; 11515fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 = MagickFalse; 11516fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png32 = MagickFalse; 11517fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickFalse; 11518fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickFalse; 11519fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11520b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11521b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11522b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11523b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11524b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11525b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11526b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11527b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11528fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11529fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png48") == 0) 11530fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickTrue; 11531fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11532fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png64") == 0) 11533fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickTrue; 115345830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115355a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if ((LocaleCompare(value,"png00") == 0) || 115365a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp LocaleCompare(image_info->magick,"PNG00") == 0) 115375830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 115383398b5b62521b49754d9391aae9e4511857bd63bglennrp /* Retrieve png:IHDR.bit-depth-orig and png:IHDR.color-type-orig. */ 115393398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.bit-depth-orig",exception); 115406647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11541f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11542f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11543f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11544f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited bit depth=%s",value); 115456647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11546f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"1") == 0) 11547f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 1; 115486647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 115495a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"2") == 0) 11550f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 2; 115516647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 115525a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"4") == 0) 11553f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 4; 115546647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11555f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"8") == 0) 11556f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 8; 115576647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11558f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"16") == 0) 11559f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 16; 11560f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 115616647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 115623398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.color-type-orig",exception); 115636647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11564f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11565f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11566f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11567f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited color type=%s",value); 115686647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11569f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"0") == 0) 11570f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 1; 115716647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11572f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"2") == 0) 11573f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 3; 115746647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11575f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"3") == 0) 11576f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 4; 115776647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11578f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"4") == 0) 11579f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 5; 115806647b972c570ebc4fa9d4e6ac9a7e4a615adf855glennrp 11581f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"6") == 0) 11582f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 7; 11583f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 115845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115865830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 115883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115899c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 115909c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115919c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115969c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 115979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115989c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1160017f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 11601def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 116020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116039c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1160416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 116050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1160616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 116103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116119c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 116129c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116139c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 1161447da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 116150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11616def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 1161716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11620fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48) 11621fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11622fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 2 */ 3; 11623fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11624fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 11625fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 1162617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 11627def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 11628fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11629fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else 116304dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorType,exception); 11631fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 116324dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11633fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11634fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11635fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png64) 11636fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11637fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 6 */ 7; 11638fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11639fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 1164047da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 11641fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11642def23e5d7331b1a13ed593b6d6aca516da382328cristy (void) SetImageType(image,TrueColorAlphaType,exception); 116434dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11644fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11645fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11646092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:bit-depth"); 116478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 116483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 116519c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 116520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116549c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 116550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116579c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 116580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 116609c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 116639c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 116640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11665bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1166616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11667bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11668bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11669bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11670bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 116713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116729c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11673bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 116743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11676092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:color-type"); 116770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 116813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 116829c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 116830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1168416ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1168516ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1168616ea139d53d867211d3bb0fa859a83de653f687ecristy 116873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116889c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 116890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 116919c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 116920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116949c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 116950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 116979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 116980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11699bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1170016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11701bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11702bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11703bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11704bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 117053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117069c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11707d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 117083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 117110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117120dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 117130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 117140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117155d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 117160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 117170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 117180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 117190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 117200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 117220e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117235d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 117245d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 117250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 117260dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 117270dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 117280dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11729aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11730aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11731aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 117320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117330e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 117340e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 117350e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 117360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117370e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 117380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 117390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 117400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 117420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 117430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11745104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 117460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 117470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1174826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1174926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11750a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1175126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1175226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1175326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1175426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1175526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1175626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1175726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1175826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11759fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=MagickFalse; 11760a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1176126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1176226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1176326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1176426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 117658d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 117668d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11767092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:preserve-colormap"); 117688d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 117698b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:preserve-colormap"); 117708d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 117718d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 117728d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11773ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickFalse; 11774ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11775ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 11776ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value == NULL) 11777ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 11778ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value != NULL) 11779ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickTrue; 11780ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11781ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* These compression-level, compression-strategy, and compression-filter 117821868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 117831868258559ddf946fa73ef72dd43507b32623705glennrp */ 11784092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-level"); 117851868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 117868b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-level"); 117871868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 117881868258559ddf946fa73ef72dd43507b32623705glennrp { 117891868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 117901868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 117911868258559ddf946fa73ef72dd43507b32623705glennrp */ 117921868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 117931868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 117941868258559ddf946fa73ef72dd43507b32623705glennrp 117950ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 117961868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 117971868258559ddf946fa73ef72dd43507b32623705glennrp 117981868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 117991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 118001868258559ddf946fa73ef72dd43507b32623705glennrp 118011868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118021868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 118031868258559ddf946fa73ef72dd43507b32623705glennrp 118041868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118051868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 118061868258559ddf946fa73ef72dd43507b32623705glennrp 118071868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118081868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 118091868258559ddf946fa73ef72dd43507b32623705glennrp 118101868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 118111868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 118121868258559ddf946fa73ef72dd43507b32623705glennrp 118131868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 118141868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 118151868258559ddf946fa73ef72dd43507b32623705glennrp 118161868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 118171868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 118181868258559ddf946fa73ef72dd43507b32623705glennrp 118191868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 118201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 118211868258559ddf946fa73ef72dd43507b32623705glennrp 118221868258559ddf946fa73ef72dd43507b32623705glennrp else 1182316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118241868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118251868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 118261868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118271868258559ddf946fa73ef72dd43507b32623705glennrp } 118281868258559ddf946fa73ef72dd43507b32623705glennrp 11829092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-strategy"); 118301868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118318b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-strategy"); 118321868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118331868258559ddf946fa73ef72dd43507b32623705glennrp { 118341868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118351868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 118361868258559ddf946fa73ef72dd43507b32623705glennrp 118371868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 118381868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 118391868258559ddf946fa73ef72dd43507b32623705glennrp 118401868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118411868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 118421868258559ddf946fa73ef72dd43507b32623705glennrp 118431868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1184498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 118451868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1184698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1184798c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1184898c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118491868258559ddf946fa73ef72dd43507b32623705glennrp 118501868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1185198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 118521868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1185398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1185498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1185598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118561868258559ddf946fa73ef72dd43507b32623705glennrp 118571868258559ddf946fa73ef72dd43507b32623705glennrp else 1185816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118591868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118601868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 118611868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118621868258559ddf946fa73ef72dd43507b32623705glennrp } 118631868258559ddf946fa73ef72dd43507b32623705glennrp 11864092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-filter"); 118651868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118668b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-filter"); 118671868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118681868258559ddf946fa73ef72dd43507b32623705glennrp { 118691868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 118701868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 118711868258559ddf946fa73ef72dd43507b32623705glennrp * 118721868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 118731868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 118741868258559ddf946fa73ef72dd43507b32623705glennrp */ 118751868258559ddf946fa73ef72dd43507b32623705glennrp 118761868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118771868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 118781868258559ddf946fa73ef72dd43507b32623705glennrp 11879b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 118801868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 118811868258559ddf946fa73ef72dd43507b32623705glennrp 118821868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118831868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 118841868258559ddf946fa73ef72dd43507b32623705glennrp 118851868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118861868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 118871868258559ddf946fa73ef72dd43507b32623705glennrp 118881868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118891868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 118901868258559ddf946fa73ef72dd43507b32623705glennrp 118911868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118921868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 118931868258559ddf946fa73ef72dd43507b32623705glennrp 118941868258559ddf946fa73ef72dd43507b32623705glennrp else 1189516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118961868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118971868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 118981868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118991a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1190003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119011a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp for (source=0; source<8; source++) 119025c7cf4e469a4dad7e277783749155932252c52dfglennrp { 119031a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp value = NULL; 11904acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 119052dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 0) 119062dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunks"); 119072dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119082dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 1) 119092dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunks"); 119102dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119112dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 2) 119122dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 119132dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119142dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 3) 119152dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 119162dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119172dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 4) 119182dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunks"); 119192dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119202dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 5) 119212dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunks"); 119222dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119232dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 6) 119242dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunk"); 119252dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119262dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 7) 119272dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunk"); 1192826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 119291a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (value == NULL) 119301a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp continue; 119311a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp 119321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source < 4) 119331a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickTrue; 119341a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else 119351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickFalse; 1193626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1193703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 119382cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 119391a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source == 0 || source == 2) 119401a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:exclude-chunk=%s found in image options.\n", value); 119421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 1 || source == 3) 119432cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119442cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 119451a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 4 || source == 6) 119462cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119471a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image options.\n", value); 119481a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else /* if (source == 5 || source == 7) */ 119491a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119501a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image artifacts.\n", value); 119512cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1195203812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119531a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (IsOptionMember("all",value) != MagickFalse) 119541a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 119551a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 119561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 119571a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 119581a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 119591a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 119601a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 119611a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=excluding; */ 119621a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 119631a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 119641a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 119651a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 11966fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 119671a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 119681a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 119691a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 119701a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 119711a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 11972280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp 11973689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("none",value) != MagickFalse) 119741a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 11975a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_bKGD=excluding != MagickFalse ? MagickFalse : 11976a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11977a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_cHRM=excluding != MagickFalse ? MagickFalse : 11978a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11979a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_date=excluding != MagickFalse ? MagickFalse : 11980a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11981a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_EXIF=excluding != MagickFalse ? MagickFalse : 11982a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11983a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_gAMA=excluding != MagickFalse ? MagickFalse : 11984a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11985a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_iCCP=excluding != MagickFalse ? MagickFalse : 11986a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 119871a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=!excluding; */ 11988a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_oFFs=excluding != MagickFalse ? MagickFalse : 11989a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11990a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_pHYs=excluding != MagickFalse ? MagickFalse : 11991a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11992a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_sRGB=excluding != MagickFalse ? MagickFalse : 11993a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11994a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tEXt=excluding != MagickFalse ? MagickFalse : 11995a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11996fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding != MagickFalse ? MagickFalse : 11997fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk MagickTrue; 11998a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tRNS=excluding != MagickFalse ? MagickFalse : 11999a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12000a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_vpAg=excluding != MagickFalse ? MagickFalse : 12001a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12002a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zCCP=excluding != MagickFalse ? MagickFalse : 12003a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12004a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zTXt=excluding != MagickFalse ? MagickFalse : 12005a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 120061a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1200703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 12008689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("bkgd",value) != MagickFalse) 120091a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 120102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12011689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("chrm",value) != MagickFalse) 120121a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 12013a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 12014689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("date",value) != MagickFalse) 120151a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12017689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("exif",value) != MagickFalse) 120181a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12020689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("gama",value) != MagickFalse) 120211a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12023689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("iccp",value) != MagickFalse) 120241a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120252cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12026689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 12027689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("itxt",value) != MagickFalse) 120281a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iTXt=excluding; 12029689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 120302cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12031689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("offs",value) != MagickFalse) 120321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 120332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12034689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("phys",value) != MagickFalse) 120351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 120362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12037689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("srgb",value) != MagickFalse) 120381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 120392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12040689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("text",value) != MagickFalse) 120411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 120422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12043fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (IsOptionMember("time",value) != MagickFalse) 12044fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 12045fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 12046689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("trns",value) != MagickFalse) 120471a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 12048a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 12049689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("vpag",value) != MagickFalse) 120501a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 120512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12052689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("zccp",value) != MagickFalse) 120531a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 120542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12055689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("ztxt",value) != MagickFalse) 120561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 1205726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1205826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 120591a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (logging != MagickFalse) 1206026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1206126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120625d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1206326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1206426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1206626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1206726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 12069a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 12070a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12071a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1207226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1207326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1207526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1207626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1207826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1207926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 12081689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 1208226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1208326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 12085689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 12086689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp 1208726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1208826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1209026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1209126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1209326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1209426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1209626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1209726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 12099fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (mng_info->ping_exclude_tIME != MagickFalse) 12100fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12101fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk " tIME"); 12102a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 12103a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12104a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1210526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1210626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1210726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1210826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1210926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1211126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1211226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1211426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1211526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 12116b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 121173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1211816ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 121193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 121210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 121240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 121313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1213216ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 121353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 121363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1214103812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 121483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12158bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1215959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 121613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 12163fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 121663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 121673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 121687e99a06aa771c9e270e7940731dbf9f2ab2c09b1glennrp length=0; 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 12171def23e5d7331b1a13ed593b6d6aca516da382328cristy transparent=image_info->type==GrayscaleAlphaType || 1217244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp image_info->type==TrueColorAlphaType || 1217344c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp image->alpha_trait != UndefinedPixelTrait; 121743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121754b917593e694424be469d250448c05c878663812glennrp jng_alpha_sample_depth = 0; 121764b917593e694424be469d250448c05c878663812glennrp 1217759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1217859575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1217959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1218059575fa5c228308a41d7f5028390be2083aaaf6dglennrp 12181750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1218259575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1218359575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1218459575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1218559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 121863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12187d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp length=0; 12188d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 121898fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 121903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 121920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 121943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1219616ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 121970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 121990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1220716ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 12210151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 122118a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 122128f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1221316ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1221416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 12216151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(jpeg_image_info->filename,MagickPathExtent, 122173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1221959575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1222059575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1222159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1222259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1222359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1222459575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 122253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 122273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 12229def23e5d7331b1a13ed593b6d6aca516da382328cristy if (image_info->type != TrueColorAlphaType && image_info->type != 12230f1d8548abecaf5ca89d453fd9fc0cde77d20672bdirk TrueColorType && SetImageGray(image,exception)) 122313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223359575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1223459575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1223559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1223659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1223759575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1223859575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 122398fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 1224059575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1224159575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224259575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1224359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1224559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1224759575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1224859575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1224959575fa5c228308a41d7f5028390be2083aaaf6dglennrp 122508fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 122513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 122533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 122553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1225716ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 122583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1225916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 1226044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1226144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1226244c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12267151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MagickPathExtent); 12268151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MagickPathExtent); 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12271cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 12272cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 12273cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 122743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1227516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1227816ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 122803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 122813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1228416ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1228716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 1228844c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1228944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1229044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12292151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MagickPathExtent); 12293151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1229916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 123010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12304e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12305e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 123063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 123103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1231703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 123184e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 123194e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 123283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 123293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12333f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 123340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12336f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 123370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 123400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 123430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 123460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 123490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 123520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 123550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 123580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 12364cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123708fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12381bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 123853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12388bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 123893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1239003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 123933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 123973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1241103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 124120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12414e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12415cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12416e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 124170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12419e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12420cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12421e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 124220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 124323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1243503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1243635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 124493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1245203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1245435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1245535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 124563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1245735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1245835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 124593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1246035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1246135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1246335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1246435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1247016ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 124763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1247703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 124793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1248035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1248116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 124820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1248335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1248416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 124850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 124923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1249335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1249416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 124950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1249635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1249716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 124980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 125003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1250416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1250516ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1252003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12521bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12522bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 125283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1253103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 125323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125398fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12543bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12546fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy size_t 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 125483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12552e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12553f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12558bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125605389e5ad63c880fe6885e3b24c76acbdbf63bd61cristy len=(size_t) (*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 125620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12566fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image,len); 12567fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy LogPNGChunk(logging,mng_IDAT,len); 12568fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlob(image,len+4,p); 12569fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image, crc32(0,p,(uInt) len+4)); 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12576e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12577e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125827e99a06aa771c9e270e7940731dbf9f2ab2c09b1glennrp else if (length != 0) 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12587e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12588bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1259003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 126113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1261216ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 126143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 12615151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 12618151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) FormatLocaleString(jpeg_image_info->filename,MagickPathExtent,"%s", 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 126203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1262216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 126233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12626e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12627e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 126283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1262944c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp if (status == MagickFalse) 1263044c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1263144c22978c1f9d4cc6499a3f69de56d83f36080fdglennrp 126323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 126340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1263559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1263659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 12637151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MagickPathExtent); 12638151b66dffc9e3c2e8c4f8cdaca37ff987ca0f497cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MagickPathExtent); 126390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 126430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1264416ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 126450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12649e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12650e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12653e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12657bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1265903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12670cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1267503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 126820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1270416ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1270516ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 127103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1271316ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1271416ea139d53d867211d3bb0fa859a83de653f687ecristy% 127153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1271716ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1271816ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1272121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1272203812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 127303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 127333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 127343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12736fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1273716ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1274573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 127543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1275716ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 127613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 127623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1276816ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1276916ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 127763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1277821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1278103812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1278203812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1278303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 127893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 127933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 127943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 127983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12801bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 128033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 128083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12811bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12814bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12818d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12832fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1283316ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1284173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 128573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 128683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 128793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128812dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Checking input image(s)\n" 128822dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Image_info depth: %.20g, Type: %d", 128832dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) image_info->depth, image_info->type); 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 128863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 128873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12890280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " Scene: %.20g\n, Image depth: %.20g", 12891280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp (double) scene++, (double) p->depth); 128920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1289317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (p->alpha_trait != UndefinedPixelTrait) 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 128960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 129000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 129023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 129040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 129080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12911e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 129120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 129160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 129623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 129643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 129653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 129663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 129673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 129713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 129763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 129790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 129860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1298717f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (next_image->alpha_trait != UndefinedPixelTrait) 129883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 129890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 1299117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((next_image->alpha_trait != UndefinedPixelTrait) || 12992dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy next_image->page.x || next_image->page.y || 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 129960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 129990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 130010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 130050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1301117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13016f1d8548abecaf5ca89d453fd9fc0cde77d20672bdirk if (SetImageGray(image,exception) == MagickFalse) 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1304216ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1304316ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 130853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 130893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 130963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130970261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 13098d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 13099d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1310016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1310116ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 13102d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 13103d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 13104d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 13110cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 13111cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 131140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 131163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 131170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 131200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 13123d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp (final_delay != 25) && (final_delay != 50) && (1UL*final_delay != 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1314103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 131424e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 131434e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 131540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 131630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 131750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 131783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 131840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 13191092ec8d083fedaedfb7792995e7ea42164553cffcristy option=GetImageOption(image_info,"mng:need-cacheoff"); 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 131993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 132013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 13202bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1320303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 132063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 132073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 132093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 132103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 132143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 132163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1321703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 132183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 132193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 132203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 132213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 132220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 132250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 132280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13232e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 13233e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 132340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13237e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 132380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13241e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 132423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 132503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 132513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 132543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 132563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1325703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 132580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 13260e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13261cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13262e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 132630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 13265e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13266cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13267cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 132680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 132773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 132803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 132823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1328303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1328435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 132853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 132863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 132883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 132923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 132963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 132983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1329903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 133003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1330135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1330235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 133033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1330435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1330535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 133063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1330735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1330835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 133093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1331035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1331135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 133123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 133133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 133143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 133153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1331716ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 133183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 133213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 133233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1332403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 133250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 133273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1332835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1332916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 133300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1333135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1333216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 133330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 133403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1334135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1334216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 133430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1334435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1334516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 133460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1335216ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1335316ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 133543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 133553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 133583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 133593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 133623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 133633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1336417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (write_mng && ((image->alpha_trait != UndefinedPixelTrait) || 13365dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy image->page.x > 0 || image->page.y > 0 || (image->page.width && 133663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 133673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 133683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 133693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1337203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 133733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 133743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 133753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 133763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 133773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 133783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 133793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 133823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1338503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 133863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 133923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 133933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 133943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 133953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13396bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 133973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 133983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1340503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13407bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1340916ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1341016ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1341116ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1341216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1341316ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1341416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 134153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 134193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 134243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 134253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 134283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 134303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 134323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 134373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 134383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 134403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 134423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 134453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 134463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 134483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 134493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 134503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13454bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 134553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 134563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1346003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13462bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 134653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 134663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 134673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 134713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 134723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 134773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 134803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13481bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 134823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 134833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 134843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 134863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 134883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 134893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 134933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 134943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 134963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 134973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 134983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 135003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1350103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 135023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 135033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 135043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 135053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 135063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 135073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 135083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 135093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 135103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 135153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 135173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 135183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 135203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 135213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 135223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 135243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 135273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 135293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1353003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 135313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 135333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 135343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 135393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 135413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1354203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 135433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 135453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 135463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 135473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 135483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 135493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 135503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 135513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 135523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 135533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 135544e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 135553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 135573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 135603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 135613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 135633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 135643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 135683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 135693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 135703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1357116ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 135723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 135733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 135802f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13581b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 135828d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 135832f2e514554975d510c88df54de98c6cdc1080f1cglennrp 135842f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 135852f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 135862f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13587a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 135882f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 135892f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 135902f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 135912f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 135922f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 135932f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 135942f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 135952f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13596a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 135972f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 135982f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 135992f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 136002f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1360116ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 136023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 136043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 136093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 136113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 136123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 136143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 136153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 136160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 136210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 136233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 136253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 136263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 136283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 136303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1363103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 136323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 136333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 136343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 136373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 136430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 136453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13646d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1364739992b4dd9b12ef752d55b8e402c069698851f72glennrp 136483ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 136493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136503bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 136513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 136523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 136530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 136553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 136563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1365739992b4dd9b12ef752d55b8e402c069698851f72glennrp 136583ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 136593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 136613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13662d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 136633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13664