png.c revision af9320404a7b05014476f844b11110157a21b73e
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[] = 141ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp{ 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 1041bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 10450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1049d9ecd04e9c567113b4b605cf76681cbb37c093cdcristystatic const char * 10505dff435eceea4f80207a906b11e65aed48fe3f27glennrpMagick_ColorType_from_PNG_ColorType(const int ping_colortype) 10515dff435eceea4f80207a906b11e65aed48fe3f27glennrp{ 10525dff435eceea4f80207a906b11e65aed48fe3f27glennrp switch (ping_colortype) 10535dff435eceea4f80207a906b11e65aed48fe3f27glennrp { 10545dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 0: 10555dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Grayscale"; 10565dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10575dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 2: 10585dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Truecolor"; 10595dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10605dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 3: 10615dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Indexed"; 10625dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10635dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 4: 10645dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "GrayAlpha"; 10655dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10665dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 6: 10675dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "RGBA"; 10685dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10695dff435eceea4f80207a906b11e65aed48fe3f27glennrp default: 10705dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "UndefinedColorType"; 10715dff435eceea4f80207a906b11e65aed48fe3f27glennrp } 10725dff435eceea4f80207a906b11e65aed48fe3f27glennrp} 10735dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10745dff435eceea4f80207a906b11e65aed48fe3f27glennrp 1075bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 10790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1082d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1200d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1201bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1231a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124403812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 124503812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1249e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1250e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1252d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1258d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1340f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 13608fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13713b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 1372e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1373e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1401bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14148fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 14170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 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_PLTE,4) == 0) 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14728fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1477bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 14780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1492bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1504bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 15260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 15310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1544bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 155021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 155121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 155321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1555bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 15600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 15640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 15780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 15810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 15840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 15870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1600bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1601bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1602bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 16073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16228182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 16238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 16240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 16283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16348182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 16353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16368182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 163916ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 164016ea139d53d867211d3bb0fa859a83de653f687ecristy{ 164116ea139d53d867211d3bb0fa859a83de653f687ecristy Image 164216ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 164316ea139d53d867211d3bb0fa859a83de653f687ecristy 164416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 164516ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 164616ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 164716ea139d53d867211d3bb0fa859a83de653f687ecristy 1648cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 165016ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 165116ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 165216ea139d53d867211d3bb0fa859a83de653f687ecristy 16533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 165616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 165716ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 16580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 165916ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 166016ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 166116ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1662c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 166316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1664b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s error: %s", png_get_libpng_ver(NULL),message); 166516ea139d53d867211d3bb0fa859a83de653f687ecristy 166616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 166716ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 16680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1669e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 16708371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 16718371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 16728371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1674faa852bad40107edae19405e76a299057668d795glennrp#else 1675faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1676faa852bad40107edae19405e76a299057668d795glennrp#endif 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1679cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 168116ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 168216ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 168316ea139d53d867211d3bb0fa859a83de653f687ecristy 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 168716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 168816ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 168916ea139d53d867211d3bb0fa859a83de653f687ecristy 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 16913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 16920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 169316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 169416ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 169516ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 169616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1697b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s warning: %s", png_get_libpng_ver(NULL),message); 16980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 169916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1704943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#if PNG_LIBPNG_VER >= 10400 1705a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_alloc_size_t size) 1706a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 1707a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_size_t size) 1708a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1710df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1717cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17193bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1730edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrpMagick_png_read_raw_profile(png_struct *ping,Image *image, 1731edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp const ImageInfo *image_info, png_textp text,int ii,ExceptionInfo *exception) 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1733bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 17643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1766f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 17670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 176897f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 176997f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 177097f90e23c85b9c58387880125c29d8c99126f83aglennrp 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 17723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 17763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1777edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping,"invalid profile length"); 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17818723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 17820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1785edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "unable to copy profile"); 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1793bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1799edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ran out of profile data"); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 18080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 18113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 18133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 181516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 18200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18392ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp LogMagickEvent(CoderEvent,GetMagickModule(), 18402ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp " read_vpag_chunk: found %c%c%c%c chunk", 18412ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp chunk->name[0],chunk->name[1],chunk->name[2],chunk->name[3]); 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1857bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 18590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1860bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1873fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 1874fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void read_tIME_chunk(Image *image,png_struct *ping,png_info *info, 1875fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ExceptionInfo *exception) 1876fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 1877fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_timep 1878fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time; 1879fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1880fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (png_get_tIME(ping,info,&time)) 1881fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1882fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk char 1883fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp[21]; 1884fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1885fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk FormatLocaleString(timestamp,21,"%04d-%02d-%02dT%02d:%02d:%02dZ", 1886fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time->year,time->month,time->day,time->hour,time->minute,time->second); 1887fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk SetImageProperty(image,"png:tIME",timestamp,exception); 1888fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1889fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 1890fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1891fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 19113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 19123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 19223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 19243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1927cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 1928cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 19293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1932d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp char 1933ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp im_vers[32], 1934ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv[32], 1935ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_vers[32], 1936ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv[32], 1937ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_vers[32]; 1938d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 19393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 194098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent, /* "PNG Rendering intent", which is ICC intent + 1 */ 1941cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 19434eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1945913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors, 1946faa852bad40107edae19405e76a299057668d795glennrp pass, 1947faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1948faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1949fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth, 1950faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1951faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1952faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 19534eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 19544eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 19554eb3931feb349dd87142c78503b779228f3e1a0fglennrp 19564eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 19574eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 19604383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 196198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 196298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 196398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 196498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 19653d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM, 1966ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19690997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 19700997332e2c35a821b271d6e7473c01c10dc206adcristy *volatile pixel_info; 19710997332e2c35a821b271d6e7473c01c10dc206adcristy 197216ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 197316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 197416ea139d53d867211d3bb0fa859a83de653f687ecristy 197516ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 197616ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 197716ea139d53d867211d3bb0fa859a83de653f687ecristy 1978faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1979faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1980faa852bad40107edae19405e76a299057668d795glennrp 1981faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1982faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1983faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1984faa852bad40107edae19405e76a299057668d795glennrp 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1995faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1996faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1997faa852bad40107edae19405e76a299057668d795glennrp ping_width, 19984eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 19994eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 2000faa852bad40107edae19405e76a299057668d795glennrp 200116ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 200216ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 200316ea139d53d867211d3bb0fa859a83de653f687ecristy 2004bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 2005756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 20103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2011bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 201516ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 201939992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2022eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2023eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2024eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 202575fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 20260997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 202755b78b53f1e013e0af19565ac04aaa7660d53795cristy 2028629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 2036fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if !defined(PNG_tIME_SUPPORTED) 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2038fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 2039629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2040629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2041629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2042629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2043629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2044629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2048d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 2049d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 2050d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 2051d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 2052d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2053ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibVersionText,32); 2054d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2055ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibAddendum,32); 2056ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2057d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 2058d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 2059ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 2060ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 2061ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 2062ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 2063ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2064d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 2065d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 2066ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 2067ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 2068ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 2069ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 2070ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 20712dd1906783a5ece58a6105b4f59239e28b13caddglennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(), 20722dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Enter ReadOnePNGImage()\n" 20732dd1906783a5ece58a6105b4f59239e28b13caddglennrp " IM version = %s\n" 20742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Libpng version = %s", 20752dd1906783a5ece58a6105b4f59239e28b13caddglennrp im_vers, libpng_vers); 20762dd1906783a5ece58a6105b4f59239e28b13caddglennrp 20772dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 20782dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20792dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 2080d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 20812dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20822dd1906783a5ece58a6105b4f59239e28b13caddglennrp libpng_runv); 2083d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 20842dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 20852dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_vers); 20862dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 20872dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20882dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20892dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_runv); 20902dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 20912dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 2092d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 209325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 20953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 209961b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 210061b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 210161b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 210261b4c957269727a0a2526edc2331881da8346100glennrp { 210361b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 210461b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 210561b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 210661b4c957269727a0a2526edc2331881da8346100glennrp } 210761b4c957269727a0a2526edc2331881da8346100glennrp# endif 210861b4c957269727a0a2526edc2331881da8346100glennrp#endif 210961b4c957269727a0a2526edc2331881da8346100glennrp 211016ea139d53d867211d3bb0fa859a83de653f687ecristy 211116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 21123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 21133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2114a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 211598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2116a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21172dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Before reading:\n" 21182dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->alpha_trait=%d" 21192dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->rendering_intent=%d\n" 21202dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->colorspace=%d\n" 21212dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->gamma=%f", 21222dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->alpha_trait, (int) image->rendering_intent, 21232dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->colorspace, image->gamma); 212498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 212598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 212698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21270e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21280e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21290e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21300e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 213116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21320e319739731741c52a6303723e0c8678a0df5579glennrp 2133913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2134cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21354eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2136cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2137cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 213898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 213998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 214098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 214198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 21424b917593e694424be469d250448c05c878663812glennrp ping_found_sRGB_cHRM = MagickFalse; 2143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = MagickFalse; 2144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 214598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 215016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 215116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 21523e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2153cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2154cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 21563e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2157cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21780997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 21790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2180faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2186edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2187868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2188cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2190edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21910997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 21920997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 2193edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 21970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 2199f078e391816b7033081339865c711a5547d6aecadirk image->columns=0; 22000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2203edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2204edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2205edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2206edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2207edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2208edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2209868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2210edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2211edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2212edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2213943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 2214a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 2215a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 2216a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 2217a3a5f956194e91458e2789966ad15308e8f3df47glennrp 22183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2221faa852bad40107edae19405e76a299057668d795glennrp 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2247e604a757f40a91c286711c49577eeced17ea97adglennrp { 2248e604a757f40a91c286711c49577eeced17ea97adglennrp const char 2249e604a757f40a91c286711c49577eeced17ea97adglennrp *value; 2250e604a757f40a91c286711c49577eeced17ea97adglennrp 2251e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"profile:skip"); 2252e604a757f40a91c286711c49577eeced17ea97adglennrp 2253e604a757f40a91c286711c49577eeced17ea97adglennrp if (IsOptionMember("ICC",value) == MagickFalse) 2254e604a757f40a91c286711c49577eeced17ea97adglennrp { 2255e604a757f40a91c286711c49577eeced17ea97adglennrp 2256e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 2257e604a757f40a91c286711c49577eeced17ea97adglennrp 2258e604a757f40a91c286711c49577eeced17ea97adglennrp if (value == NULL) 2259e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 2260e604a757f40a91c286711c49577eeced17ea97adglennrp 2261e604a757f40a91c286711c49577eeced17ea97adglennrp if (value != NULL) 2262e604a757f40a91c286711c49577eeced17ea97adglennrp ping_preserve_iCCP=MagickTrue; 2263201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp 2264201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#if defined(PNG_SKIP_sRGB_CHECK_PROFILE) && defined(PNG_SET_OPTION_SUPPORTED) 2265201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp /* Don't let libpng check for ICC/sRGB profile because we're going 2266201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp * to do that anyway. This feature was added at libpng-1.6.12. 2267cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp * If logging, go ahead and check and issue a warning as appropriate. 2268201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp */ 2269cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp if (logging == MagickFalse) 2270cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON); 2271201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#endif 2272e604a757f40a91c286711c49577eeced17ea97adglennrp } 2273e604a757f40a91c286711c49577eeced17ea97adglennrp#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 2274e604a757f40a91c286711c49577eeced17ea97adglennrp else 2275e604a757f40a91c286711c49577eeced17ea97adglennrp { 2276e604a757f40a91c286711c49577eeced17ea97adglennrp png_set_keep_unknown_chunks(ping, 1, mng_iCCP, 1); 2277e604a757f40a91c286711c49577eeced17ea97adglennrp } 2278e604a757f40a91c286711c49577eeced17ea97adglennrp#endif 2279e604a757f40a91c286711c49577eeced17ea97adglennrp } 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22822ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#if PNG_LIBPNG_VER < 10700 /* Avoid libpng16 warning */ 22832ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp png_set_keep_unknown_chunks(ping, 2, NULL, 0); 22842ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#else 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22862ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#endif 22873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22942feb141b6f74ce425fed3272286fab1f50366bb9glennrp#ifdef PNG_SET_USER_LIMITS_SUPPORTED 229509cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# if (PNG_LIBPNG_VER >= 10400) 22962feb141b6f74ce425fed3272286fab1f50366bb9glennrp /* Limit the size of the chunk storage cache used for sPLT, text, 2297687361928f16a28ea56e200d00e970e68173cc25glennrp * and unknown chunks. 22982feb141b6f74ce425fed3272286fab1f50366bb9glennrp */ 2299687361928f16a28ea56e200d00e970e68173cc25glennrp png_set_chunk_cache_max(ping, 32767); 230009cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# endif 23012feb141b6f74ce425fed3272286fab1f50366bb9glennrp#endif 23022feb141b6f74ce425fed3272286fab1f50366bb9glennrp 23039bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 23049bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 23059bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 23069bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 23079bf97b6c2143eb20c330346b01e82102cc082725glennrp 2308991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2309991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2310991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 23123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 23153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 23193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2324991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2328faa852bad40107edae19405e76a299057668d795glennrp 2329faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2330faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2331faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2332faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2333faa852bad40107edae19405e76a299057668d795glennrp 2334fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2335fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 23360d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp /* Swap bytes if requested */ 23370d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp if (ping_file_depth == 16) 23380d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp { 23390d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp const char 2340a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp *value; 2341a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2342a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageOption(image_info,"png:swap-bytes"); 2343a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2344a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value == NULL) 2345a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageArtifact(image,"png:swap-bytes"); 2346a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2347a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value != NULL) 2348a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp png_set_swap(ping); 23490d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp } 23500d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp 23515830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp /* Save bit-depth and color-type in case we later want to write a PNG00 */ 23525830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 23535830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp char 23545830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp msg[MaxTextExtent]; 23555830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23565830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_color_type); 23573398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color-type-orig",msg,exception); 23585830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23595830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_bit_depth); 23603398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit-depth-orig",msg,exception); 23615830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 23625830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2363faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2364faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2365faa852bad40107edae19405e76a299057668d795glennrp 2366faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2367faa852bad40107edae19405e76a299057668d795glennrp 2368faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2370fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2371fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2373faa852bad40107edae19405e76a299057668d795glennrp 2374faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2376faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 237798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2378176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2379176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2380176b29a003f11fd934137871d574995319408665cristy { 2381176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 238298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2383176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2384176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2385176b29a003f11fd934137871d574995319408665cristy } 238698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23902dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG width: %.20g, height: %.20g\n" 23912dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG color_type: %d, bit_depth: %d\n" 23922dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG compression_method: %d\n" 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 23942dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) ping_width, (double) ping_height, 23952dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_color_type, ping_bit_depth, 23962dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_compression_method, 2397faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 23982dd1906783a5ece58a6105b4f59239e28b13caddglennrp 23993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2401ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 2402ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2403ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 2404ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (logging != MagickFalse) 2405ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2406ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 2407ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2408ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 240998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 241098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 241298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 241398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 241498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 241598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 241698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 241798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 241898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 242098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 242198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 242298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 242398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2425ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP != MagickTrue && png_get_valid(ping,ping_info, 2426ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 242798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2428ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB=MagickTrue; 242998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 243098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2431ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG sRGB chunk."); 243298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 243398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2434ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2435e604a757f40a91c286711c49577eeced17ea97adglennrp if (ping_found_iCCP !=MagickTrue && 2436ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB != MagickTrue && 2437ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 243898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2439ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 244098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 244198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2442ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 244398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 244498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2445faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2450e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2451e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2452e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2453e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2454e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2455e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2456e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2457e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2475ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2476e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2477ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2478e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2479ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2480ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_warning(ping, "ICC profile is NULL"); 2481ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2482ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2483ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else 2484ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2485ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_preserve_iCCP == MagickFalse) 2486edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp int 2488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 2489ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 2490ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2491ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2492ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 2493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length, 2494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 2495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2496ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp unsigned char 2497ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp *data; 2498ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length=(png_uint_32) GetStringInfoLength(profile); 2500ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2501ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 2502ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2503ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 2504ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 2506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2507ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2508ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 2509ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 2512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 2513ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 2516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 2517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2518ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2519ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 2520ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2521ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2522ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 2523ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 2524ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 2525ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent==UndefinedIntent) 2526ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 2529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 2530ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2531ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp break; 2532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2533ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2535ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 2536ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2537ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2538ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 2539ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2540ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2541ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2542edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2543ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else /* Preserve-iCCP */ 2544edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2545ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2546edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2547ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2548ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2549ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2553ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2556ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP==MagickFalse && png_get_valid(ping,ping_info, 2557ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 2558ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2559ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_sRGB(ping,ping_info,&intent)) 25603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2561ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2562ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2563ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent (intent); 25640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2567e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 25683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2569ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2570ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2571ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else if (mng_info->have_global_srgb) 2572ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2573ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2574ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2575ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent 2576ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (mng_info->global_srgb_intent); 2577ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2580ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2581ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2583faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2584faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2585faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 25860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 259598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2596faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2597faa852bad40107edae19405e76a299057668d795glennrp { 2598faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2599faa852bad40107edae19405e76a299057668d795glennrp { 2600faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2601faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2602faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2603faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2604faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2605faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2606faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2607faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2608faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2609faa852bad40107edae19405e76a299057668d795glennrp } 2610faa852bad40107edae19405e76a299057668d795glennrp } 26110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2612faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 26230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2624ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_cHRM=MagickTrue; 2625ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 26263d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (image->chromaticity.red_primary.x>0.6399f && 26273d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 26283d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 26293d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 26303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 26313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 26323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 26333d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 26343d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 26353d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 26363d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 26373d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 26383d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 26393d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 26403d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 26413d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f) 26423d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM=MagickTrue; 26433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2645e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 26463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26473d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (ping_found_sRGB != MagickTrue && 26483d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_gAMA != MagickTrue || 264984288238d90b2e1831857d6b2427abd7875b7e1bglennrp (image->gamma > .45 && image->gamma < .46)) && 26503d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_cHRM != MagickTrue || 2651cd8b331760407523f2a59cc65c1cd9c3d4422bafcristy ping_found_sRGB_cHRM != MagickFalse) && 26523d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_iCCP != MagickTrue) 26535cf1bff142633838354b1080183c957900bc80e8glennrp { 26545cf1bff142633838354b1080183c957900bc80e8glennrp png_set_sRGB(ping,ping_info, 26555cf1bff142633838354b1080183c957900bc80e8glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 26565cf1bff142633838354b1080183c957900bc80e8glennrp (image->rendering_intent)); 26575cf1bff142633838354b1080183c957900bc80e8glennrp file_gamma=1.000f/2.200f; 26585cf1bff142633838354b1080183c957900bc80e8glennrp ping_found_sRGB=MagickTrue; 265984288238d90b2e1831857d6b2427abd7875b7e1bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2660918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp " Setting sRGB as if in input"); 26615cf1bff142633838354b1080183c957900bc80e8glennrp } 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26635cf1bff142633838354b1080183c957900bc80e8glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2665faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 26663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2667905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2668905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 26690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 26723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2673e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2674e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2678faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2679faa852bad40107edae19405e76a299057668d795glennrp { 2680faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2681faa852bad40107edae19405e76a299057668d795glennrp { 2682faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2683faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2684faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2685faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2686faa852bad40107edae19405e76a299057668d795glennrp } 2687faa852bad40107edae19405e76a299057668d795glennrp } 2688faa852bad40107edae19405e76a299057668d795glennrp 26895c97f62ba919c3c109f0072df3b560056565e9e7cristy x_resolution=0; 26905c97f62ba919c3c109f0072df3b560056565e9e7cristy y_resolution=0; 26915c97f62ba919c3c109f0072df3b560056565e9e7cristy unit_type=0; 2692faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 26980881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 269916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 270016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 27010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 270516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 270616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2711e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2712e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2715823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2716faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2724faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 27300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2731faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2732edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 27343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2735edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2736edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2738edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2739edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2740edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2741edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2742edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2743edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2744bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2749faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 27533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2758faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2759faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 27600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 27623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 27630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 27660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 27690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2770c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2771c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2772c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 27743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2778edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 27793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2782bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2783faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2784faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 27860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2787faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2789bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2790bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2791bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 27922dd1906783a5ece58a6105b4f59239e28b13caddglennrp /* Set image background color. 27932dd1906783a5ece58a6105b4f59239e28b13caddglennrp * Scale background components to 16-bit, then scale 2794bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2795bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 27962cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2797bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 27980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2799fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2800bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 28010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2802fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2803bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 28040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2805fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2806bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 28070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2808fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2809bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 28102cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2811bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2812bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2813bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 28142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2815bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2816bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 28172dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 28182dd1906783a5ece58a6105b4f59239e28b13caddglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28192dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Reading PNG bKGD chunk, raw ping_background=(%d,%d,%d).\n" 28202dd1906783a5ece58a6105b4f59239e28b13caddglennrp " bkgd_scale=%d. ping_background=(%d,%d,%d).", 28212dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->red,ping_background->green, 28222dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->blue, 28232dd1906783a5ece58a6105b4f59239e28b13caddglennrp bkgd_scale,ping_background->red, 28242dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->green,ping_background->blue); 2825bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 28262cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2827bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2828faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 28290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2830bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2831faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 28320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2833bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2834bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 28350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 283616ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 28372cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2838bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2839bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2840bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2841bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2842bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2843bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2845bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2846a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2847faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2850a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 28513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 28533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 285535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 285635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 285735ef824baa82511126ff0072ae30eee0da9c05a3cristy 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2862fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2864faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2865faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2866faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2867faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2868faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2869faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 28703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 28743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2875faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 28768a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2880a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2881a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2882a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2883fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2884a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2885a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2886a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2887a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2888a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 288916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 289005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2891faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28930f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 28940f111984738842d27d04aed2a3f823d82a943506glennrp { 28950f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28962dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Raw tRNS graylevel = %d, scaled graylevel = %d.", 28972dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) ping_trans_color->gray,(int) transparent_color.alpha); 28980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28990f111984738842d27d04aed2a3f823d82a943506glennrp } 290016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 290116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 290216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2909faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2914faa852bad40107edae19405e76a299057668d795glennrp 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2916faa852bad40107edae19405e76a299057668d795glennrp 2917faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2918faa852bad40107edae19405e76a299057668d795glennrp 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2925bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 29273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2928faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2929faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2940faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2941faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2942a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 294316ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 294416ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 29458d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29460a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp double 29470a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp image_gamma = image->gamma; 29480a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29490a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29500a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->gamma=%f",(float) image_gamma); 29510a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29520a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp if (image_gamma > 0.75) 29538d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29540a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp /* Set image->rendering_intent to Undefined, 2955e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 29568d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 295767429939a9bdca8c2ea541cd690b8e479c921527glennrp image->intensity = Rec709LuminancePixelIntensityMethod; 29588d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 29598d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2960ccc36af759d30fb50b1deda241d038402a393b17glennrp else 2961ccc36af759d30fb50b1deda241d038402a393b17glennrp { 2962ccc36af759d30fb50b1deda241d038402a393b17glennrp RenderingIntent 2963ccc36af759d30fb50b1deda241d038402a393b17glennrp save_rendering_intent = image->rendering_intent; 2964ccc36af759d30fb50b1deda241d038402a393b17glennrp ChromaticityInfo 2965ccc36af759d30fb50b1deda241d038402a393b17glennrp save_chromaticity = image->chromaticity; 2966ccc36af759d30fb50b1deda241d038402a393b17glennrp 2967ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,GRAYColorspace,exception); 2968ccc36af759d30fb50b1deda241d038402a393b17glennrp image->rendering_intent = save_rendering_intent; 2969ccc36af759d30fb50b1deda241d038402a393b17glennrp image->chromaticity = save_chromaticity; 2970ccc36af759d30fb50b1deda241d038402a393b17glennrp } 2971ccc36af759d30fb50b1deda241d038402a393b17glennrp 2972ccc36af759d30fb50b1deda241d038402a393b17glennrp image->gamma = image_gamma; 29738d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2974e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2975e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29760a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->colorspace=%d",(int) image->colorspace); 2977a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2978faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 297932340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 298032340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2982befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2983befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2984befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2986befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2987fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 299067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 299167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 299267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 299367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2995faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 29963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 29993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 3001bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 30020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 301416ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 3015edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 30160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3017faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 30230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30246af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30306af6cf1a950b111ad0ac706269a703086693ba71glennrp 303167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 30326af6cf1a950b111ad0ac706269a703086693ba71glennrp { 30336af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 30346af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 30356af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 30366af6cf1a950b111ad0ac706269a703086693ba71glennrp } 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3041bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3044fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale=(QuantumRange/((1UL << ping_file_depth)-1)); 30450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 30480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3049bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 30533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3057147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3058cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 3059cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3060147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 3061147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 3062147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3063fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 3064147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 3065147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30663b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 30677cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 30683398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.width,height",msg,exception); 3069147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3070fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_file_depth); 30713398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit_depth",msg,exception); 3072147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30735dff435eceea4f80207a906b11e65aed48fe3f27glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (%s)", 30745dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 30755dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 30763398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color_type",msg,exception); 3077147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3078913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 3079913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3080913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Not interlaced)", 3081913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3082913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3083913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 3084913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3085913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Adam7 method)", 3086913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3087913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3088913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 3089913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3090913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Unknown method)", 3091913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3092913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3093913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 3094913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 3095913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 3096913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3097913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d", 3098913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 30993398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:PLTE.number_colors",msg, 3100913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 3101913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 310239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 3103fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 310439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp read_tIME_chunk(image,ping,ping_info,exception); 3105fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 310639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 3107147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 31083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 31130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31140ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 3115347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 3116347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31181b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 31191b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 31201b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 31211b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3124e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3127edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3128868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3129cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3131edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 31350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 31420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 31440997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(image->rows,ping_rowbytes* 3145cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 31460997332e2c35a821b271d6e7473c01c10dc206adcristy else 31470997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(ping_rowbytes,sizeof(*ping_pixels)); 31480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31490997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 3150edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31510997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 31520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 31563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 315916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=AcquireQuantumInfo(image_info,image); 316016ea139d53d867211d3bb0fa859a83de653f687ecristy 316116ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 3162edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 31630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31644b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 31654b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp 3166c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3167c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3168c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 3169c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 3170c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3171c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3172c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3175c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3176c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3177c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3178c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3179c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 3180ccc36af759d30fb50b1deda241d038402a393b17glennrp image->alpha_trait= 3181ccc36af759d30fb50b1deda241d038402a393b17glennrp (((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3182c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3183c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3184b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3186c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3187c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3188c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3189c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 31900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3191c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3192c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 31930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3194cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3195c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3196c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3197c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3198c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3199862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 320116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3202c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 32030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320416ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 320516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 320616ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 32070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320816ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 320916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321016ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 32110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321216ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 321316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321416ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 32150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 321716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321816ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 32190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 322016ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 322116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 322216ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 32233faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3224c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3225c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3226c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3227a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3228a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3229a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3230a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3231c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3232c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 32335aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 32345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 323516ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3236c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3237a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3238a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3239a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3240a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3241c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3242c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3243c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 32454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 324616ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 324716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 324816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 324916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 325016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 325116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 32524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3253a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3254a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3255a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 32564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 32574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 32584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 325916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3260c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3261c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3263af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 3264c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3265af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 3266af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) y, image->rows); 32670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3268c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3270c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3271c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3272c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3273c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3275af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 32767a287bfadeadea12e47c2376ca78a5d101687142cristy { 3277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 32787a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32797a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32807a287bfadeadea12e47c2376ca78a5d101687142cristy } 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3285c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3297c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3298c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3299c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 330016ea139d53d867211d3bb0fa859a83de653f687ecristy 33018a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3302b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 33030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3305b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3306b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 33070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3309edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 33100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3311bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33134f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp Quantum 33144f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha; 33154f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3317faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3318c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3321c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3322cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3323c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3324c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3325c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3326c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 33274f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 33280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 332916ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3332cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 33333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3334c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3335faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 33383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33394f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 3340faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3341bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3343a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33444f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33454f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleCharToQuantum((unsigned char)*p++); 33464f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33474f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33484f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33494f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 33500b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33514f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 335216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3356bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3357a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 336147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3364bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3365a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3366c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 336787281ec8d96ad26dfed9968c29b2920cb3d96744cristy unsigned short 336858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 336958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3371c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 337258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3374c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 337558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3377c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 337858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 33790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3380faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 33813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3382c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3383c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3384c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3385c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3386c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3387c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 33884f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33894f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleShortToQuantum(quantum); 33904f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33914f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33924f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 339358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 33944f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 339516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 339658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 339758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 339858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 339958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 340058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 340147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 340258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 340358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 340416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 34054f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 340616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 34070b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 34084f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 340958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 341016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3413a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 341447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 341747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34213faa9a3fb01696daaf976d595f492cb530bffb21glennrp 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 34260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 342716ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 342816ea139d53d867211d3bb0fa859a83de653f687ecristy 342916ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 343016ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3431bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 343216ea139d53d867211d3bb0fa859a83de653f687ecristy { 343316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 343416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 343516ea139d53d867211d3bb0fa859a83de653f687ecristy } 34360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 34383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3440af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 34417a287bfadeadea12e47c2376ca78a5d101687142cristy { 3442cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 34439fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 344447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34457a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 34467a287bfadeadea12e47c2376ca78a5d101687142cristy break; 34477a287bfadeadea12e47c2376ca78a5d101687142cristy } 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3449c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3450af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 34513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 345347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3457c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3461b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3462b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3463c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3465c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3466c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 34705aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 34715aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34725aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3473bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 34745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 34755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3476c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3477c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3478c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 347916ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 348016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 348116ea139d53d867211d3bb0fa859a83de653f687ecristy 34825c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 34835c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3484b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3485b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 34865c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3487b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 34888a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 348916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3490b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 34915c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 349247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34934eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3495ccc36af759d30fb50b1deda241d038402a393b17glennrp if (logging != MagickFalse) 3496ccc36af759d30fb50b1deda241d038402a393b17glennrp { 3497ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3498ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->storage_class=%d\n",(int) image->storage_class); 3499ccc36af759d30fb50b1deda241d038402a393b17glennrp } 3500ccc36af759d30fb50b1deda241d038402a393b17glennrp 35013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3502bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 35050997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 350716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3508868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3509cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 351647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3517faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 35268a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3527c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35283c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3529c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 35310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3533c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 35340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35368a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 353716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 353816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 35390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3540c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 354147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 35430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 35450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 354716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 35480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35498a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 355016ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 35510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 355416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 35550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 355647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3557a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3558a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3559a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 35630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 35650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3566c11cf6a442f3046940608a5743a68cc891deb13eglennrp 356716ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 35680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3569c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3571a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3572a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3573a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 35750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 357616ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 357716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 357816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 357916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 358016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 358116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 35824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 358316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 35844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 35850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 358667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 35870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 358916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 35904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3591a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 35920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 359316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 35940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 35970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3598c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 35990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3600a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3601c11cf6a442f3046940608a5743a68cc891deb13eglennrp 36023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 36033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36043c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3605eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 36064eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36074eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3608a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3609a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36104eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3611a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3612a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36144eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 36154eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 36164eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36174eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 36180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36194eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36204eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36214eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 36220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36234eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (memcmp(text[i].key, "Raw profile type ",17) == 0) 36244eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 362599f968111025b4fadb966ca482c6f57750bf007bglennrp const char 362699f968111025b4fadb966ca482c6f57750bf007bglennrp *value; 362799f968111025b4fadb966ca482c6f57750bf007bglennrp 362899f968111025b4fadb966ca482c6f57750bf007bglennrp value=GetImageOption(image_info,"profile:skip"); 362999f968111025b4fadb966ca482c6f57750bf007bglennrp 363099f968111025b4fadb966ca482c6f57750bf007bglennrp if (IsOptionMember(text[i].key+17,value) == MagickFalse) 363199f968111025b4fadb966ca482c6f57750bf007bglennrp { 363299f968111025b4fadb966ca482c6f57750bf007bglennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 363399f968111025b4fadb966ca482c6f57750bf007bglennrp (int) i,exception); 363499f968111025b4fadb966ca482c6f57750bf007bglennrp num_raw_profiles++; 363599f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 363699f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 363799f968111025b4fadb966ca482c6f57750bf007bglennrp " Read raw profile %s",text[i].key+17); 363899f968111025b4fadb966ca482c6f57750bf007bglennrp } 363999f968111025b4fadb966ca482c6f57750bf007bglennrp else 364099f968111025b4fadb966ca482c6f57750bf007bglennrp { 364199f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 364299f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 364399f968111025b4fadb966ca482c6f57750bf007bglennrp " Skipping raw profile %s",text[i].key+17); 364499f968111025b4fadb966ca482c6f57750bf007bglennrp } 36454eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36464eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36474eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 36484eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36494eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 36504eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36524eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 36544eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 36554eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3657edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 36594eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36604eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 36614eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 36624eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36634eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 36644eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 36654eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 36664eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 36674eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 36684eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 366916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36714eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36734eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " length: %lu\n" 36752dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Keyword: %s", 36762dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) length, 36772dd1906783a5ece58a6105b4f59239e28b13caddglennrp text[i].key); 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36804eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 368197f90e23c85b9c58387880125c29d8c99126f83aglennrp } 36824eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3683fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk num_text_total += num_text; 3684fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 36853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 369873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 36990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 370647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3711edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 37120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3714edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 37230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 372516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 37290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3731edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 37320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3733faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 37350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3736faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3737faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3738faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3739faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3740faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3741faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3742faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3743faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 37440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3745faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 37483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 37553c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 376147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37670a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 37688a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 37690a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 37700a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 37710a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 37728a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 37730a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 37740a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3775b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 37760a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3777224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#if 0 /* I'm not sure what's wrong here but it does not work. */ 377835553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 37795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37805830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 37815830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleMatteType,exception); 37825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteMatteType,exception); 37855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37865830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37875830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 37885830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 37895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37905830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37925830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 37935830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleType,exception); 37945830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteType,exception); 37975830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37985830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37995830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorType,exception); 38005830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 3801224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#endif 38025830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 3803cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3804cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3805cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3806cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3807cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38084eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3809cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3810cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 38113b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3812613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 38133398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:text",msg, 381416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3815cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3816cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3817cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3818cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 38193b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3820cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 382116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 382216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3823cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3824cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 382598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 38265961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38273b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38285961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 38293398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:cHRM",msg, 383016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38315961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3832cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3833cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 38345961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38353b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38365961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 38373398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:bKGD",msg, 383816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38395961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 38405961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 38413b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38425961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3843cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 384498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 384598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 38463398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:iCCP",msg, 384716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 384898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3849cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38504eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 38513398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:tRNS",msg, 385216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38534eb3931feb349dd87142c78503b779228f3e1a0fglennrp 38544eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 385598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 38564eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38573b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 385898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 385998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 386098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 38613398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:sRGB",msg, 386298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 38634eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38644eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38654eb3931feb349dd87142c78503b779228f3e1a0fglennrp 386698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 38674eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38683b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 386916ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 387016ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 38713398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:gAMA",msg, 387216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38734eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3874cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38754eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3876cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 38774eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38783b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 387907523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 38804eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 38813398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:pHYs",msg, 388216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38834eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38844eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3885cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38864eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 38874eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 38884eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38893b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 38904eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 38913398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:oFFs",msg, 389216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38934eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38944eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38954eb3931feb349dd87142c78503b779228f3e1a0fglennrp 3896fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3897fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,end_info,exception); 3898fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3899fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 390007523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 390107523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 390207523c7d2e40370804c2036295571e4b6426f94dglennrp { 39033b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 390407523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 390507523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 39063398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:vpAg",msg, 390716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 390807523c7d2e40370804c2036295571e4b6426f94dglennrp } 3909cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3910cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39160997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 39210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3922868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3923edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3924edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3925edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3926edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3927edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3928edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3929edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 3938919429921a43880a338ed87e128d3b96219442efglennrp *image; 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 394121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 394221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 395947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 396347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3966fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 396716ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 397047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 397347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 397847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3979dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 398147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 398673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 398747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 399047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 400047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 40060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 400947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 401147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 40170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 402047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 402172715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 40223d627862fb79aad8a20be4f1587f0b8761db441aglennrp ((image->gamma < .45) || (image->gamma > .46)) && 40233d627862fb79aad8a20be4f1587f0b8761db441aglennrp !(image->chromaticity.red_primary.x>0.6399f && 40243d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 40253d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 40263d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 40273d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 40283d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 40293d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 40303d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 40313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 40323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 40333d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 40343d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 40353d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 40363d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 40373d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 40383d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f)) 4039ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4040ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,RGBColorspace,exception); 4041ccc36af759d30fb50b1deda241d038402a393b17glennrp } 404272715f5c299a6482f8eb175070b056d77b74a43fcristy 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 4044ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4045ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4046ccc36af759d30fb50b1deda241d038402a393b17glennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 4047ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.width,(double) image->page.height, 4048ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.x,(double) image->page.y); 4049ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4050ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->colorspace: %d", (int) image->colorspace); 4051ccc36af759d30fb50b1deda241d038402a393b17glennrp } 405297f90e23c85b9c58387880125c29d8c99126f83aglennrp 405397f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 40550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41074383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 41084383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 41094383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 4110bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413016ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4133bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413716ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 4145e0421fec74bee9a6f9def3d51aed4204f970ad73glennrp reading_idat; 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4147bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 4161fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 41640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 416516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 41730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 417416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 41750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 42050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 42080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4216e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4217e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 4220af9320404a7b05014476f844b11110157a21b73eglennrp { 4221af9320404a7b05014476f844b11110157a21b73eglennrp ThrowReaderException(CorruptImageError,"CorruptImage"); 4222af9320404a7b05014476f844b11110157a21b73eglennrp return (Image *) NULL; 4223af9320404a7b05014476f844b11110157a21b73eglennrp } 42240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 422747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42288fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 42310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 42340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4235bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 42370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 424047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4247bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 4248e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[2] << 8) | p[3]); 4249bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 4250e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[6] << 8) | p[7]); 4251e2440c250d94d64f8c70e596fe90808795aaa07ecristy if ((jng_width == 0) || (jng_height == 0)) 4252e2440c250d94d64f8c70e596fe90808795aaa07ecristy ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 425747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 426047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 426547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42692dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_width: %16lu, jng_height: %16lu\n" 42702dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_color_type: %16d, jng_image_sample_depth: %3d\n" 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 42722dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) jng_width, (unsigned long) jng_height, 42732dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_color_type, jng_image_sample_depth, 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 427547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42772dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_image_interlace_method: %3d" 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 42792dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_image_interlace_method, 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 428147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42832dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_compression_method:%3d\n" 42842dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_filter_method: %3d\n" 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 42862dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_compression_method, 42872dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_filter_method, 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 429147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42928fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 429447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 431073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 431147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 431447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 431616ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 43170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 43240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 433573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 43360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 434116ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 43420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 43530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 43690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 437503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 439247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 439947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44008fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 440247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 441147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4419bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 442103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44288fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 443647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44478fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 44560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44578fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 44868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 44870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 44978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 44988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 44998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 45008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 45018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 45028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 45038182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 450547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4514e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4515cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4516da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 45173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 452647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45355eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 45365eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 45370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 454447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45458fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 455516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 455616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 456016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 456116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4572fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45738fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45808fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 460816ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 461447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 46180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4619f0eec7524321f1be1bfe568a13ab7d4d0333c814cristy assert(color_image_info != (ImageInfo *) NULL); 46203b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 46220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 46250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 46390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 46420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 464516ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 464716ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 464816ea139d53d867211d3bb0fa859a83de653f687ecristy { 464916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 465016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 465116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 465216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 465316ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 465416ea139d53d867211d3bb0fa859a83de653f687ecristy } 465547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 46610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 467203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 46780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 468116ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46833b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 46870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4689bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 469216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 469447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 469535553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 469616ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 469716ea139d53d867211d3bb0fa859a83de653f687ecristy { 469816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 469916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 470016ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 470116ea139d53d867211d3bb0fa859a83de653f687ecristy } 47020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 470416ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 470616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 470716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 47088a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 470916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 471016ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 472447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 472547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 47330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 47350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 47360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 47390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 47410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 47520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 47560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 47947ee973a2149db53911459cbf26f28eccdbc99efbglennrp *image; 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 479721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 479821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4818fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 481916ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 482947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 483047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 483247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48333b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 483647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 483747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 483973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 48400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 484447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 484547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 486247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 48740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48884383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 488921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 489021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 48914383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4898bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 491616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4929bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4946bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 495538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 495638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 495738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4958bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 498047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 498147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4987fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 498816ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 49910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 49940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 499847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 499947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 500047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 500173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 50020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 50050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 500647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 500747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 501747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 502147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 502247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5025bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 5026bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 503047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5073e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 5074e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 50780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 50810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 50840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50858fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 508847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 509147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5092bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 509447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 510616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 51080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 511716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 51190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 512447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 51290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51308fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 51360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5142bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 51440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5145bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5151e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5153e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 51578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 51580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 51610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 51650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 51680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 51728182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 51760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 51790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 51820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 518716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 518947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 519016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 51910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 52020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52033b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 5204e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5205f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 52060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5208bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5210bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 52120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 52150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52268fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 52280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52318182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 52328182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 52330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 52360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5244280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " repeat=%d, final_delay=%.20g, iterations=%.20g", 5245280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp repeat,(double) final_delay, (double) image->iterations); 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 525416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 52590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 526116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5268edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 527116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 528016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 52910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 52980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 52990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 53010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 53020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5306280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " x_off[%d]: %.20g, y_off[%d]: %.20g", 5307280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->x_off[object_id], 5308280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->y_off[object_id]); 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 53180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 53250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 53480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 53510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 536316ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 537447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 537747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 537847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 53840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5385bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 539235ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54028fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 54070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 541147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5417bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 542412560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5432bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54358182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 54420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 544947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 545047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 54548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 54558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 54578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 54598182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 54618182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 54623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 54638182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 54658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 547047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 547447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54808fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5482e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5483cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 548847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5495fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55008fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 550247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 550547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 550916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 55120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 55150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 551947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55208fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 55230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 55270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 553047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 553147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 553347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5534bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 553647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 553847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5539bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 555047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 55548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 55550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 55578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 55580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5559bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5560bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 55610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 55640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5569e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 557147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5574bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5575bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 55760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5577bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5578bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 55790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5580bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5581bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 55820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 55850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5590e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 559247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 55980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5602e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5603e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 560447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 56120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5613bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 56150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5616bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5624e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5625e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 56260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 563047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 563116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 563316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 563447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 564147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 56460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 56560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 56648a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 566616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 56670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5671e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5672e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 568947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 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 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5761bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 577847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5785bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 578847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 578947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 57908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 57910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5794e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5795e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 57960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 57990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 581047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 581447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 582647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 58330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5837e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5838f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 583947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 58440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 586747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 587516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 587847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 588147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 58980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 59010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 59040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 591116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 591547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 592147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 592747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 593047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 593647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 593947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 594547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 594847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 595447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 595747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 596347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 596647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 597247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 597547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 598147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 598547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 598916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 599347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 601247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 601616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 601947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 602247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 602616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 602947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 603247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 603747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 60538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 60558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 605947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 606616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 606847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 607447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 607616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 607947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 6082bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 6084bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 609247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 609547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 609847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 610147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 610447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 610747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 611047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 611847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 612447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 612947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 61378fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 613947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 614647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 614947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 615547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 616347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61648182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 61658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6178bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6180bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 618216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 618716ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 618847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 619547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 619947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 620647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 620947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 621047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 621147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 622016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6223e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6224e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 623516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 624016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 624147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 624847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 626347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 62728a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 627316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6278e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6279e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 628347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 628416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 628916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 629047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 629747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 63030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 63150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 633047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 633447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 633947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6340bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 634147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 635347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 636647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 639947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 640247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 640447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 640547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 640747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64104e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 641147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 641447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 641747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 641947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 642047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 642247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 642647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 642947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 643147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 643247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 643447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64374e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 643847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 644147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 644447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 644647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 644747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 644947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 645916ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 646016ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 646116ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 646216ea139d53d867211d3bb0fa859a83de653f687ecristy 646316ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 646416ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 646516ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 646616ea139d53d867211d3bb0fa859a83de653f687ecristy 6467bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 647116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 647516ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 647616ea139d53d867211d3bb0fa859a83de653f687ecristy x; 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 647847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 647947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 648347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 648416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 648547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65013faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6509bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 651347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6514bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 651616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 651716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 651816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 651916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 652016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 652116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 652216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 652316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 652416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 652647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 653535553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 653616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 653747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 654016ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 654116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 654247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 654547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 654847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 655147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6560e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 656316ea139d53d867211d3bb0fa859a83de653f687ecristy length=(size_t) image->columns*GetPixelChannels(image); 656416ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 656516ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 656647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 656716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 656816ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 657547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 657847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6579bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6582bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 658347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6585bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 658647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6587bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6588bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 658947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6590bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 659247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6594bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 659547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 659947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6600bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 660647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 660916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6612bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 66169fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 661716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 661816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 661947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6622fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6631bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 663216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 663316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 663416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 663516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 663616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 663716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 663816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 664047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6644bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 664516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 664616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 664716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 664816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 664916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 665016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 665116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 665216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6653bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 665447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 665816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 665916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 666016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6661bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 666216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 666316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 666416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 666516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6666bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 666716ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 666816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 666916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 667016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6671bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 667216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 667347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 667435553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 667516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 667616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 667716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6678bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 667916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 668147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 668616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 668716ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 668916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 669016ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6698bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 669916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 670016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 670116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 670216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 670316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 670416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 670516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 670616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6707bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 670847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6710bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 671116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 671216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 671316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 671416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 671516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 671616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 671716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6718bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 671947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 672216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 672316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 672416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6725bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 672616ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672916ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 673016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 673116ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 673347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 673647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 673947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 674016ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 674116ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 67503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6758e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6760bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 676216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 676616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 676716ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 676847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6769bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 677216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 67737c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6774bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6775bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 677647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6778bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 677947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6781bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 678247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6783bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 678547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6787bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 678847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 67903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 679416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 679516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 679616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 679716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 679947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6803bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 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); 6808bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 680947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 681016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 681416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 681516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 681616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6817bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 681816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6819bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 682016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 682116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 682216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6823bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 682416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6825bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 682616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 682716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 682816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6829bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 683016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 683135553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 683216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 683316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 683416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6835bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 683616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 683847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6843bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 684416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 684516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6846bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6848bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 684916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 685016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6851bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 685447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6859bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 686016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 686116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 686216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 686316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6864bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 686547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6867bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 686816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 686916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 687016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 687116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6872bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 687347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 68753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 687716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 687816ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 687916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6880bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 688116ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 68823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 688416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 688616ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 688847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 68903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 68913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68923faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 68933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 68943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6898bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 68993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 690147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6902bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 690416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 690516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 690616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 690716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 690816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 690916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 691016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 691116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 691216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 691447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 69233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 69283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 694847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6964bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6965bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 697147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 698347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 69933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 699416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 69963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 70023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 70033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70062b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 70072b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 700816ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 70092b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 70102b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 70112b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 70122b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 70132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 70143faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7015cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 7016cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 7017cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7018cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7019cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7020cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 702116ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 70228640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7024d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 7028bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 70303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7031d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 7035d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 703747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 703947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 704347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 70540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 705516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 70593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 706016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 70623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 706547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 706947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 70713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 70753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 70818a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 70820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 708416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 70873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 70900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 70930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 710147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 710216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 71043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 710547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 71100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 71123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 711547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 711616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 712147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 71253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 712947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 713016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 713447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 71363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 714047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 714116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 714347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 714647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 71540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 71600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 716547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 71710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 71730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7176e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7177e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 71780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 71833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 718647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 718947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7191e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 719247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7197e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7209bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 721447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 721616ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 721747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 722047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 722347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 723247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 723547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 725247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 726247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 726547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7267e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7268e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 726947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7271f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7272f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 727347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7274f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7275e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7276e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7277f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7278f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 727947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 72823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 728347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 728647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 728925c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 729447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 729747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 730047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 730525c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7328bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7331bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 734447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 735047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 735847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 736247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 737047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 737347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 737847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 738147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 738447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7385afc97b1e31b78c973c4bf5e0be8d5090cfca8065glennrp entry->mime_type=ConstantString("video/x-mng"); 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 739147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 739647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 7400d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 740247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 740547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 741047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 741547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 7420d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 742647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 743047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 74343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 74353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 743747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 744047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 744547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 7448fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 24-bit RGB"); 7449d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 745447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 745947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 7463d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7467fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG48"); 7468fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7469fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7470fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7471fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7472fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7473fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7474fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 7475fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7476fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 48-bit RGB"); 7477d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7478fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7479fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7480fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7481fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG64"); 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; 7489fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7490fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or transparent 64-bit RGBA"); 7491d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7492fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7493fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7494fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 74955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry=SetMagickInfo("PNG00"); 74965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 74975830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 74985830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74995830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 75005830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#endif 75015830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75025830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 75035830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->adjoin=MagickFalse; 75046270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp entry->description=ConstantString( 75056270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp "PNG inheriting bit-depth and color-type from original"); 7506d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 75075830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->module=ConstantString("PNG"); 75085830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) RegisterMagickInfo(entry); 75095830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 751147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 75133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 75143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 75153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 75163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 751847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 75203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 75213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 75227fee329aec1090ff832c1b07fc4cc70c3b604f65glennrp entry->mime_type=ConstantString("image/x-jng"); 75233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 75243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 752647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7527868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 75283d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy ping_semaphore=AcquireSemaphoreInfo(); 752918b17443128598500357da7bff2f01683cf32890cristy#endif 753047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 75463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 75473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 75493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 75543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 75563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 75573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 7560fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG48"); 7561fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG64"); 75625830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) UnregisterMagickInfo("PNG00"); 75633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 756447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7565868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 7566cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 75673d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy RelinquishSemaphoreInfo(&ping_semaphore); 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 757225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 75793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 75853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 759116ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 759216ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 75993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 760016ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 76013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 76033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 76063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 76123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 76203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 76263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 76293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 76343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 76373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 76393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 76463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 76483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76493ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7650cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 76513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 76523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7657bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 76643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 76653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 76723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 76753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 76773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 76790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7682ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7683a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7684a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7685a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7686a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7690ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7691a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7692a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7693a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7694a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7695a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7696a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7697a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 77023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 77033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 77063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77093b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7710f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 77113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 771247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 77143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 77183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 77193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 772047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 77243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 772747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 77293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 773047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 77343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7736cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 77374383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 77403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 77413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 77433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 77443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 77473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 77493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 775147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 775247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 775347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 77543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 775547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 77573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7759cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 77603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 776147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 776247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 776347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 776447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 776547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 776647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7767cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7768cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7769cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 777047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 777147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 777247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 777347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 777447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 777547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 777647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7777cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 777847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 77793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 778047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 77823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 778347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 77853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7787fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 7788fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void write_tIME_chunk(Image *image,png_struct *ping,png_info *info, 7789fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char *date,ExceptionInfo *exception) 7790fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 7791fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk unsigned int 7792fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk day, 7793fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk hour, 7794fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk minute, 7795fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk month, 7796fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk second, 7797fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk year; 7798fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7799fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_time 7800fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime; 7801fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7802fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time_t 7803fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ttime; 7804fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7805fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (date != (const char *) NULL) 7806fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7807fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (sscanf(date,"%d-%d-%dT%d:%d:%dZ",&year,&month,&day,&hour,&minute, 7808fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk &second) != 6) 7809fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7810fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 7811fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk "Invalid date format specified for png:tIME","`%s'", 7812fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk image->filename); 7813fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk return; 7814fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7815fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.year=(png_uint_16) year; 7816fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.month=(png_byte) month; 7817fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.day=(png_byte) day; 7818fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.hour=(png_byte) hour; 7819fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.minute=(png_byte) minute; 7820fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.second=(png_byte) second; 7821fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7822fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 7823fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7824fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time(&ttime); 7825fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_convert_from_time_t(&ptime,ttime); 7826fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7827fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_set_tIME(ping,info,&ptime); 7828fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 7829fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 7830b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7831b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 78323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 783316ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 78343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 78350997332e2c35a821b271d6e7473c01c10dc206adcristy char 78360997332e2c35a821b271d6e7473c01c10dc206adcristy im_vers[32], 78370997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_runv[32], 78380997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_vers[32], 78390997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_runv[32], 78400997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_vers[32]; 78410997332e2c35a821b271d6e7473c01c10dc206adcristy 784216ea139d53d867211d3bb0fa859a83de653f687ecristy Image 784316ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 784416ea139d53d867211d3bb0fa859a83de653f687ecristy 784516ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 784616ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 784716ea139d53d867211d3bb0fa859a83de653f687ecristy 78483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 78493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 78503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 78523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 78533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 78543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 78553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 78573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 78583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 78603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7861cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7862cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7863e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7864e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 78655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 786639992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 786739992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 78683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 78705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 78715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 78725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 78733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 78743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 78753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 78773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 78783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 78805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 78815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 78825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7883bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 78843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 78853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 788758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 788821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 788958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 789058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7891da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7892fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7893d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 78948d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 789539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7896991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7897918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP, 7898991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7899918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB, 7900991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 790126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 790226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 790326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7904a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7905e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 790626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 790726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 790826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 790926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 791026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 791126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 791226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7913fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME, 7914e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 791526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 791626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 791726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 791826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 79198d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 7920ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 79210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 79220e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 792382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 79248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7925d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7926d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 79273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79280997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 7929af1534a4abd2d6ef7f7e2833b95400301faff3d3cristy *volatile pixel_info; 79300997332e2c35a821b271d6e7473c01c10dc206adcristy 79313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 79323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 79333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 793416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 793516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 793616ea139d53d867211d3bb0fa859a83de653f687ecristy 7937bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 79383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 79393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 79403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79420997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 7943d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 79445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7945f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 79460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 79475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 79485af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 79495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 79505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 79515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 79525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7953bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 79545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 79555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 79563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7957bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 79583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 79593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 79603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 79613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7962dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7963fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7964f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 79658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 79668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 79678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7968dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7969dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7970dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7971dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7972dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7973dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 79743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7975fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 79763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 797716ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 797816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 797916ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 798016ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7981b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7982d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 7983d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 7984d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 7985d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 7986d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7987d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibVersionText,MaxTextExtent); 7988d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7989d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibAddendum,MaxTextExtent); 7990ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7991d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 7992d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 7993ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 7994ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 7995ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 7996ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 7997ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7998d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 7999d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 8000ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 8001ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 8002ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 8003ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 8004ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 80058fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 8006d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 8007d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," IM version = %s", 8008d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp im_vers); 8009d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Libpng version = %s", 8010d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp libpng_vers); 8011ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 8012ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8013ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8014ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv); 8015ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8016d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 8017d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp zlib_vers); 8018ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 8019ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8020ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8021ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv); 8022ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8023d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 8024d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 80255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 80260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 80275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 80285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 80295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 80305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 80315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 80325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 80345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 80355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 80365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 80375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 80385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 80405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 80415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 80425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 80435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8044dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 8045dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 8046dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 8047dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8048da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 8049f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp ping_have_cheap_transparency=MagickFalse; 8050d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 80518d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 805239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 8053991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 8054918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP=MagickFalse; 8055991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 8056918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB=MagickFalse; 8057991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 8058991d11dd9c33e65872778b81aff1347cd2878154glennrp 80590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 80600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 8061a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 8062dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 80630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 80640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 80650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 80660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 80670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 80680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 80690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 8070fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME=mng_info->ping_exclude_tIME; 8071dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 80720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 80730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 80740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 80750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80768d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 8077ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = mng_info->ping_preserve_iCCP; 80780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 80790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80800d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 80810d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 80820d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 80830d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 80840d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 8085ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8086ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * To do: recognize other variants of the sRGB profile, using the CRC to 8087ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * verify all recognized variants including the 7 already known. 8088ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8089ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Work around libpng16+ rejecting some "known invalid sRGB profiles". 8090ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8091ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Use something other than image->rendering_intent to record the fact 8092ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * that the sRGB profile was found. 8093ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8094ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Record the ICC version (currently v2 or v4) of the incoming sRGB ICC 8095ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * profile. Record the Blackpoint Compensation, if any. 80960d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 8097ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_exclude_sRGB == MagickFalse && ping_preserve_iCCP == MagickFalse) 80980d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 80990d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 81000d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 81010d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81020d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 81030d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 81040d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81050d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 81060d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 81070d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81080d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 81090d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81100d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 81110d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81120d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 8113ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (LocaleCompare(name,"ICM") == 0)) 8114ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 8115ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8116ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 8117ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 8118ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 81190d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81200d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8121ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 8122ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 8123ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 812429a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8125ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 8126ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 81270d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8128ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 812929a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8130ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 813129a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 8132ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 8133ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 8135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8136ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8137ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 8138ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 81390d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 8141ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 81420d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 8145ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 8146ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8147ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 8148ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 8149ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8150ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8151ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 8152ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 8153ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 8154ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 8155ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8156ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 8157ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 8158ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 8159ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8160ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_iCCP = MagickTrue; 8161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_zCCP = MagickTrue; 8162ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_sRGB = MagickTrue; 8163ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 8164ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 816529a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 8167ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 816829a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8169ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 817029a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 817129a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81720d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81730d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 81740d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81750d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81760d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 81788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 81798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 81808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8181fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8182fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8183fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 8184fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8185f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=UndefinedClass"); 8186fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 8187fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8188f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=DirectClass"); 8189fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 8190fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8191f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=PseudoClass"); 8192f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->taint ? 8193cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickTrue": 8194cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickFalse"); 8195fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 819628af3713c9111a471cc868c787760de89236fa3cglennrp 8197750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 81987e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 8199fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 8200fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->write_png_colortype != 1 && 8201fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype != 5))) 82027e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 820316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82047e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 82057e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 82067e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 8207c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 820828af3713c9111a471cc868c787760de89236fa3cglennrp { 8209c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 8210c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8211c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 8212c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8213c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8214c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 8215e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 8216c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 8217c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 821828af3713c9111a471cc868c787760de89236fa3cglennrp } 8219bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8220c28acd632b7ea1724a54191d15db932f2e4d25e6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 822116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 82220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82233241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 82243241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 82253241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 82263241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 82273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 822816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82293241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8230a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 8231a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 8232a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 8233a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 8234a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8235a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 8236a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8237a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 8238a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 8239a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 8240a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 82418e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 8242cd979955e4249aab3bdd79043718fa3b120239b8dirk if (image->depth < 4) 824367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 824416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 82458e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 82468e58efdecda887b08ef730d68290a61081ef2566glennrp 8247aac49630945ded4a68aca4f7c892e18b21afeba8dirk if (image->depth > 2) 82488e58efdecda887b08ef730d68290a61081ef2566glennrp { 82498e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 825091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 82518e58efdecda887b08ef730d68290a61081ef2566glennrp 82528e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82538e58efdecda887b08ef730d68290a61081ef2566glennrp { 825416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82558e58efdecda887b08ef730d68290a61081ef2566glennrp 825616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82578e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82588e58efdecda887b08ef730d68290a61081ef2566glennrp 82598e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82608e58efdecda887b08ef730d68290a61081ef2566glennrp { 826116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 826216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82638e58efdecda887b08ef730d68290a61081ef2566glennrp } 8264bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82658e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82668e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82678e58efdecda887b08ef730d68290a61081ef2566glennrp } 82688e58efdecda887b08ef730d68290a61081ef2566glennrp 82698e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82708e58efdecda887b08ef730d68290a61081ef2566glennrp { 82713e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82728e58efdecda887b08ef730d68290a61081ef2566glennrp { 827391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 82748e58efdecda887b08ef730d68290a61081ef2566glennrp } 82758e58efdecda887b08ef730d68290a61081ef2566glennrp } 82768e58efdecda887b08ef730d68290a61081ef2566glennrp } 82778e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 82788e58efdecda887b08ef730d68290a61081ef2566glennrp { 82798e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 828091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 82818e58efdecda887b08ef730d68290a61081ef2566glennrp 82828e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82838e58efdecda887b08ef730d68290a61081ef2566glennrp { 828416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82858e58efdecda887b08ef730d68290a61081ef2566glennrp 828616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82878e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82888e58efdecda887b08ef730d68290a61081ef2566glennrp 82898e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82908e58efdecda887b08ef730d68290a61081ef2566glennrp { 829116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 829216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82938e58efdecda887b08ef730d68290a61081ef2566glennrp } 8294bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82958e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82968e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82978e58efdecda887b08ef730d68290a61081ef2566glennrp } 82988e58efdecda887b08ef730d68290a61081ef2566glennrp 82998e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83008e58efdecda887b08ef730d68290a61081ef2566glennrp { 83013e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83028e58efdecda887b08ef730d68290a61081ef2566glennrp { 830391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 83048e58efdecda887b08ef730d68290a61081ef2566glennrp } 83058e58efdecda887b08ef730d68290a61081ef2566glennrp } 83068e58efdecda887b08ef730d68290a61081ef2566glennrp } 83078e58efdecda887b08ef730d68290a61081ef2566glennrp else 83088e58efdecda887b08ef730d68290a61081ef2566glennrp { 83098e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 831091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 83118e58efdecda887b08ef730d68290a61081ef2566glennrp 83128e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83138e58efdecda887b08ef730d68290a61081ef2566glennrp { 831416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83158e58efdecda887b08ef730d68290a61081ef2566glennrp 831616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83178e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83188e58efdecda887b08ef730d68290a61081ef2566glennrp 83198e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83208e58efdecda887b08ef730d68290a61081ef2566glennrp { 832116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 832216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83238e58efdecda887b08ef730d68290a61081ef2566glennrp } 8324bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83258e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83268e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83278e58efdecda887b08ef730d68290a61081ef2566glennrp } 83288e58efdecda887b08ef730d68290a61081ef2566glennrp 83298e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83308e58efdecda887b08ef730d68290a61081ef2566glennrp { 83313e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83328e58efdecda887b08ef730d68290a61081ef2566glennrp { 833391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 83348e58efdecda887b08ef730d68290a61081ef2566glennrp } 83358e58efdecda887b08ef730d68290a61081ef2566glennrp } 83368e58efdecda887b08ef730d68290a61081ef2566glennrp } 8337cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8338cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 833967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 834067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 834170e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8342a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 83432b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 83442b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 83452b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 83462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 83478e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 83482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 83492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 83502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83513faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8352cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8353cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8354cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8355cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8356cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8357cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8358c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 835916ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 83608640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 83618640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 83628640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8363d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp image_colors = (int) image->colors; 8364d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_opaque = (int) image->colors; 8365d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_transparent = 0; 8366d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_semitransparent = 0; 8367d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 8368197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype && 8369a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8370a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 837135553db9b7d0d812b53b09e3906628239d908e1ccristy image->alpha_trait != BlendPixelTrait))) 8372a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8373a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8374a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8375a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8376a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8377a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8378a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8379a8036d6466b63ead629795b60772f160cca77c4cglennrp 838035553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 8381a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8382a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8383a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8384a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8385a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8386a8036d6466b63ead629795b60772f160cca77c4cglennrp 8387197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype < 7) 8388a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8389a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8390a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8391a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8392e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8393e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 83948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 83958ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 83968ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 83978ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8398c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 839982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84008ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 840182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8402d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 840382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84048ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8406a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8408d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8410d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 84168a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8420d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8423d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84263c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 84298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 843016ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8433d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 84348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 843516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 843616ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8437d6bf1617e99df0272b231855a933a74e99b6578fglennrp 843816ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 843916ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8440fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8441fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8443d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8445d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8447d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84538a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 845403812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8455d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 84563c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8457fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 84587ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 84597ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 84618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 846216ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 84632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 84657ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8470d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 847216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 84737ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 84742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8479d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 848516ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8487d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8488d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84892cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8490d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8491d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 849283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8493d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 849416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 849516ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 84967ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 84978d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 84988d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84998d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8500d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85017ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8502d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8503fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8504fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8505fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 85062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8507d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85107ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 851116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8512d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 851397fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8514d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8515d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 851635553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait != BlendPixelTrait || 851716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 85188d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8519d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 85208d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8521d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8522d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 852316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 852416ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8527d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8528d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 853016ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8531d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8532d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8533d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 853416ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8535d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8536d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 853716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 853816ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85408d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85418d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 854216ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 85438d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8544d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 85458d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8547d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 854916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 855016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 855116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 855216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 855316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 855416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 855516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8556972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8558d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8559d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856216ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8565d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8566d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8567d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8568d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8569d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 857016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8571d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85728d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85738d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8574d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8577d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8579d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 858016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8581d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8582d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85838d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 858616ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 858716ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 858816ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8590d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8592d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8593d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8594d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8595d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 859616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8597d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8598d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 860016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8601d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8602d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86033c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 86044054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 86054054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8606d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8607d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8608d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8609d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8611c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8615c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8616c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8617c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8618d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8619d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8620ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8621ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8622ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8623ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8624d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8625d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 862603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 86278e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8628c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8629388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8630c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8631c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8632c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8633c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8634c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8635c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 863603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8637a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8638a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8639a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8640d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8642d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 86433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8644d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8645d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8646d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8647d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8648d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 86493241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8650d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8651d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8652d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8653d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 86558d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 86568d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 86578d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8658fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8659d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8660d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 86610fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 86620fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 866345d4c34ce93ff377b9671844ffa1153b821061f6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 86640fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 866596bc620815234aaec28b928df51d1754cbe390dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 866696bc620815234aaec28b928df51d1754cbe390dcglennrp "incompatible colorspace"); 86677fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 866898b95773e388844e22c6e4006bb88396b33cf6b4glennrp ping_have_non_bw=MagickTrue; 86690fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 86700fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8671d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8672d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8673d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8674d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8675d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 86766185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 867716ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8678d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 86796185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8680e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8681e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8682e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 868316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 868416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8685e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8686e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8687e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8688e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8689e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 869016ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8691e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8692e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8693e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8694e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8695e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8696d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8697d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8698d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 86996185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8700d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8701d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8702d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8703d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 87046185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 870516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 870616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8707d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8708d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8709e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8710d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 871116ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8712d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8713e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8714d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8715bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8716bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 87174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8718d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8719d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 872016ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8721d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8722bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8723d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8724d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8725d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8726d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8727d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8728d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8729d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8730d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8731d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8732d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8733d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 87343241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8735d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8736d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 87373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8738d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8739d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8740d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8741d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8742d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8743d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8744c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8745c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8746bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8747d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8748d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8749d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8750d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8751d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8752d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8753d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8754d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8755d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8756d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8757d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8758d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8759d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8760d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8761d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8762d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8763d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8764d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8765d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8766d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8767d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8768d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 87693241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8770d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8771d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8772d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8773d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8774d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8775d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8776d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 87776185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8778d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8779d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8780d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8781d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 87822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8783d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8784d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8785d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8786d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8787d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8788d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 878916ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8790d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 87913faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 87923faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8793d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8794d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8795d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8796d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8797d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8798d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8799d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8800d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8801d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8802bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8803d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8804d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8805d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8806d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8807fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8808fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8809d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8810d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 881116ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 88123c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 881316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8814d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88153c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8816d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8817d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8818d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 881903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 882035553db9b7d0d812b53b09e3906628239d908e1ccristy if ((image->alpha_trait != BlendPixelTrait || 882116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 882216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 882316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 882416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 88256185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 882616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8827d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88286185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 882903812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 883016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8831d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8832d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8833d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8834d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8835d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8836d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8837d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8838d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8839d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8840d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8841d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8842d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8843d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8844d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8845d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8846d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 884716ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 884883c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8849d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8850d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 885172988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8852d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8853d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8854d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8855d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8856d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8857d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8858d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 885916ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8860d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88616185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88626185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88633c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8864d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8865d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8866d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8867d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8868d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 88693c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8870d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8871d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 88723c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8873d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8874d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8875d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8876d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 887703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8878d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8879d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8880d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 88816185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8882d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8883d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8884d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8885d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 88866185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8887d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8888d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8889d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8890a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8891d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8892d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8893d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8894a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8895d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8896d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8897d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8898d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8899d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8900d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8901d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 89026185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 890303812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 890403812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8905d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 89063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8907c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8908c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8909fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8910c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8911c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8912c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8913c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8914c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8915c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8916fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8917c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8918130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8919130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8920130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8921c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8922130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8923c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8924c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8925c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8926fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8927c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8928c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 892916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8930fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 893116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8932c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8933fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8934c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8935c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 893616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 89378ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 893816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 893916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 89408ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 89418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 894216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 894316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8944c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8945bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8946c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8947c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8948fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8949c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8950c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8951c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 895216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 895316ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 895416ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8955c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8956c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8957c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8958c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8959c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8960e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8961e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8962e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8963c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8964d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8965d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8966d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8967d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8968d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8969d337164012450d70d62e71cf4a308a29004f7d57glennrp 8970d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8971d337164012450d70d62e71cf4a308a29004f7d57glennrp 897291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8973d337164012450d70d62e71cf4a308a29004f7d57glennrp 8974d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8975d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8976d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8977d337164012450d70d62e71cf4a308a29004f7d57glennrp 8978d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8979d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8980d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8981d337164012450d70d62e71cf4a308a29004f7d57glennrp { 898216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8983d337164012450d70d62e71cf4a308a29004f7d57glennrp 898416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8985d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8986d337164012450d70d62e71cf4a308a29004f7d57glennrp 8987d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8988d337164012450d70d62e71cf4a308a29004f7d57glennrp { 898916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 899054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 899116ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8992d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8993bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8994d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8995d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8996d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8997d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8998d337164012450d70d62e71cf4a308a29004f7d57glennrp 8999d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 9000d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 9001d337164012450d70d62e71cf4a308a29004f7d57glennrp { 9002d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 9003d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9004d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 90058e58efdecda887b08ef730d68290a61081ef2566glennrp 9006d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 9007d337164012450d70d62e71cf4a308a29004f7d57glennrp { 900891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 9009d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9010d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9011d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 9012d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9013d337164012450d70d62e71cf4a308a29004f7d57glennrp 901482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 901582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 901682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 901782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 901882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 901982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 902182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 902382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 902582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9026e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 902782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 902882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 902982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 903182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 903382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 903582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 903682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 903882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 904016ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 904116ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 904282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9043bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 904482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 904582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 904682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 904782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 904882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 904982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 905082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 905182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 905282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 905382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9054e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 905582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 905682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 905791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 905882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9059d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9060d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 906182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9062c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9064c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9065c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9066c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9067c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 9068c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90698ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 90708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 90713faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 90723faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 90733faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 90743faa9a3fb01696daaf976d595f492cb530bffb21glennrp 907591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 9076fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9077c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9078c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9079e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 9080fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9081c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 9082c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9083c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 9084c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 908516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 90868d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 908716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9088c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9089c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9090c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 9091c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 909216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 909354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 909416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9095c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9096bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9097c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9098c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9099c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9100c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9101c722dd852e8abe407c2846d39662f7ade9c234deglennrp 9102c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 9103c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 9104c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9105c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9106c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9107e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 9108c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 9109c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 911091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 9111c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9112c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9113c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9114c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 91158ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 91178ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 911834ef720923a27004960cbcf4d75a8075445e85d7glennrp /* Take care of special case with 256 opaque colors + 1 transparent 91198ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 91208ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 91218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 91228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 912334ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 912434ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 912534ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red background colors to 3-3-2-1"); 912634ef720923a27004960cbcf4d75a8075445e85d7glennrp 91278ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 91288ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 91298ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 91308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91318ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 91328ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9133bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 913434ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 913534ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 913634ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red pixel colors to 3-3-2-1"); 913734ef720923a27004960cbcf4d75a8075445e85d7glennrp 91388ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 91398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91408ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 91418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 914216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9143bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 914416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 91458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9146bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 91488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 914916ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 915016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 915116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 915216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 91538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 915416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 91558ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 915616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 91578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9158bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91598ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 91608ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9161bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91628ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91648ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91658ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 91668ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91678ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 91688ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91698ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 91708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 91718ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 91728ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91738ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 91748ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91758ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91768ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91778ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9178fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9179a8036d6466b63ead629795b60772f160cca77c4cglennrp } 9180fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 9181fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9182fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 9183fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 9184fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 9185fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 91860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 91870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 91880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 9189d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 91900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 91920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 91930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 91950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 91960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91978d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 9198d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 91990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 92000b206f5daa453dc1035db5890cabc899736dc2d0glennrp 92010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 92020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 9203fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 9204fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 9205fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 92065a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 92075a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 92085a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 9209fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92105a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 92115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 9212fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9213fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 9214fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9215fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 9216fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9217fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9218fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 9219fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 9220fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 922116ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 9222fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 9223fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9224fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 9225fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9226fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 9227fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 922816ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 9229fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9230fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9231fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 9232fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 923316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 923416ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 923516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 923616ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 923716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 923816ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 923916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 9240fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9241fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9242fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9243fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9244fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 924516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 9246fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9247bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9248fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9249fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9250fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9251fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9252fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9253fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 925467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 925567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 925667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 9257fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 925867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 925967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 926067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 926167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 9262fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 926367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 926467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 9265fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9266fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9267bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9268fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 9269fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9270fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9271fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9272fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 9273fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9274fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9275fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9276fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 9277fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9278fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9279fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9280fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9281fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 92823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 92833c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 92843c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 92853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 9286f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 928735553db9b7d0d812b53b09e3906628239d908e1ccristy image_matte=image->alpha_trait == BlendPixelTrait ? MagickTrue : MagickFalse; 928883c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 928948c20621d4ce02a3833b107f710843d1e524d559glennrp if (mng_info->write_png_colortype < 5) 9290197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 9291197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp image_colors <= 256 && image->colormap != NULL; 9292197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp else 9293197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette = MagickFalse; 92943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 929552a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 929652a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 929752a479ca718756af72f96e127f8256499ab68f76glennrp { 929816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 929916ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 930016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 930115e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 930216ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 930352a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 930452a479ca718756af72f96e127f8256499ab68f76glennrp } 930552a479ca718756af72f96e127f8256499ab68f76glennrp 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 93083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 931016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 931116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 93123e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9313cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9314cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 93150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93173e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9318cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 93190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 93250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 93273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 93330997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 93343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 93423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 93433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9345868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9346cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9348edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 93490997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 93500997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 9351edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9352edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9353edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9354edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 935516ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 935616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 935716ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 935816ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 93603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9361edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9362edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9363edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9364edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9365edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9366edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9367868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9368edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9369edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9370edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9371943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 9372a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 9373a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 9374a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 9375a3a5f956194e91458e2789966ad15308e8f3df47glennrp 93763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 93783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93799bf97b6c2143eb20c330346b01e82102cc082725glennrp 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 93813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 938225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 93833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 938425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 938525024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 938625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 938725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 938825024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 938925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 939025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 93912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 93962b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 94012b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94024e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 94034e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 94042b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9408fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48 || mng_info->write_png64) 9409fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_depth=16; 9410fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 94113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 94130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 94153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 94170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 94193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 94230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9427e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9429e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 94303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94318a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 94323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94338640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 94343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94358640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94378640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 94395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9440dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 944126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 94423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 944326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 944426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 944516ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 94463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 94473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9449dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9450dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 94513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 94533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9454dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9455823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 945616ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9457823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 945816ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9460dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 94613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 94623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9463dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 946416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 946516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 94663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9467991d11dd9c33e65872778b81aff1347cd2878154glennrp 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9470dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 947116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 947216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 94733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9474991d11dd9c33e65872778b81aff1347cd2878154glennrp 9475823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9476823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9477823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9478823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9479823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9480991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 94813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 948226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 94833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9484a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 948526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 948626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9487a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9489a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9490a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9491a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9492a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9493a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9494a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 94950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9496a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9497a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 94980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9499a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9500a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 95010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9502a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9503a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 95040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9505a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9506a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 95070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9508a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9509a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9511a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9512a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9513c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9514c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 95150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95183b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 95193b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95203b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9521c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9522c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9523c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 95243b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 95253b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 95273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 95280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 953026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 95343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 95370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95381273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 95393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9540fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 95410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 95420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 95448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 95458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 95460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 95490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 95510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9555f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 95560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 95580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 95590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 95600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 95610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 95620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 956467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 95650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 956667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 956767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 956867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 95690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 95703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95722b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 95748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 95758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 95765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 957758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 95788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 95810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 95838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 95843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 95868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 95870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95892cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 95908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 95910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 95930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 95940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 95968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 95978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95991273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 96004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96011273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 96021273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 96031273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 96041273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 96054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 96064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 96074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 96080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9611c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9615c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9616c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 96174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 96190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9620fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png_colortype == 1) 9621fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 9622fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_matte=MagickFalse; 9623fd164d2bf84b111e304959af5698757d60e9b8aeglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 9624fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 9625fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 9626fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png24 || mng_info->write_png48 || 9627fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 3) 96283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9633fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png32 || mng_info->write_png64 || 9634fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 7) 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 96413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 96470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96485af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 96495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 96503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 96547c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 96557c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 96567c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96577c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96607c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 96613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96643c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 96650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9666d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 96678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 96680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9669d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 96703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9675d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 96763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96815aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 96825aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 96835aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 96857c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 9686261f64eea2c3a5a9586da65af2c59d2a39b05de0glennrp image_info->type == UndefinedType) 96873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 96898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96905aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 96915aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96925aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 96935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 96945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96960b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 96975aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96985aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 96995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 97025aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 97035aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97045aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 97055aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97065aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 97075aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97085aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 97100b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97115aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97125aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 97135aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97145aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97155aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 972126c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97228640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 972326c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 97245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 97250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 97280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 97300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9732d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9733d6bf1617e99df0272b231855a933a74e99b6578fglennrp 97345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 973635553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait != BlendPixelTrait && ping_have_non_bw == MagickFalse) 97378d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97398640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 97413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 974235ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 97435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 97440f111984738842d27d04aed2a3f823d82a943506glennrp 97450f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 97460f111984738842d27d04aed2a3f823d82a943506glennrp { 97470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9748edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 97490f111984738842d27d04aed2a3f823d82a943506glennrp } 97500f111984738842d27d04aed2a3f823d82a943506glennrp 975135ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 97525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9753d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9755d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9756d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9757d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9758d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 97590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9760d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9761d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9762d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9764d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9765d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 97663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 97692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97731a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 97741a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 97751a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 97760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9778e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 97790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9781e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 97820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97843c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 97858640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 97868640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97878640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9788e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 979158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 97923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 97944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97957c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 97967c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 97977c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 97982b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97997c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 98007c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 98017c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 98022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 98053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 98074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 98094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 98104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9811a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 98124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 98137c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 98147c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98157c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 98164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9821bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 98240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 98264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 98270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 98294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 98300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 98324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 98330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 98354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 98360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 98384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 98390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 98414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 98420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 98444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 98450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 984716ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 98484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 98490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 98510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 98534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9858fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9859fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9860fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9861fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9862fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 98634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98677c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98687c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 98690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 98714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 98734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 98744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 98754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 98764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 98845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 98855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 98865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98908640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 98920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98932e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 98943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 98950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 989639992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 98988d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 98998d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 99003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 990135ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 99020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 99049c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 99050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99067c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 99073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 99094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 99103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 99114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 99134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 99164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 99184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 99223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 99230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9924136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9925d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9926f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 99270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 99295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 99300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 99345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 99353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 99373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 99390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 994035ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9941bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 99425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99452b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 99470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 99511a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 99553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9957bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 99583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 99673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 99684bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99712b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 99739c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 99740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 99769c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 99770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 99799c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99822b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 999017a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 999117a1485544c62993fc7a94e343c87fed5f3e6407glennrp 99923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 99963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 99980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99993d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (!(mng_info->have_write_global_plte && matte == MagickFalse)) 100003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10001bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 100023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 100043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 100053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1001098156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 10011f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 100120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1001339992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 100143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 10017d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10019befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 10020befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 10021befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 100225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 10023befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 100240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1002516ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 100265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 100300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1003158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 100320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 100330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 10034d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 10035d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 100360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10038d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 10039d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 100420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 100430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10044d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 100450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10046c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10047c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10048c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10049c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 10050c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10051d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 10052d6bf1617e99df0272b231855a933a74e99b6578fglennrp 10053d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 10054d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 10055750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 1005616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 10057d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 100580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10065c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 100680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 100703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 100754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 100815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 100825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 100835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 100844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 100894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100964383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 100974383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 100982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 101013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 101043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 101063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 101073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1010835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 1010935ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 1011035ef824baa82511126ff0072ae30eee0da9c05a3cristy 1011122ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 1011426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1011616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 1011716ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 1011816ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 1011916ea139d53d867211d3bb0fa859a83de653f687ecristy 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101218f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1012216ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 1012316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1012416ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 1012516ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 101263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 10127991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 1012826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101303e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101313e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101323e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 101333e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 101343e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101359be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 101363e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 101373e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101383e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101393e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101403e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 101413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1014217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1014326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1014426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101451273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 1014617a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 1014717a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 1014817a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 1014917a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 1015017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1015117a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1015217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10153a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 10154a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 1015517a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 1015617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1015717a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 1015817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101593b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 101630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10164a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1016513d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 10166a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 101670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 101683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101693b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 101730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 101740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 101750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 101760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10177a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 1017817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10179d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 101803c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 101813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101823b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101833b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 101843c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 101853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 1018617a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 1018726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1018817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101911a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 101921a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 101933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 102000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 102030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 102040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 102060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 102100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102114054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 102124054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 1021310d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 1021410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021510d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 1021610d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 1021710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 1021910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10220ef804f5802b3d6517d516556b64fccc5843710b6glennrp 0 or omitted: Use Z_HUFFMAN_ONLY strategy with the 1022110d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 1022210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 1022410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 1022610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 1022810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 1023010d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 1023110d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 10232750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 1023310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 1023410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 1023685dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp a MNG, otherwise "none". Did not work in IM-6.7.0-9 1023710d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 1023810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023985dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp 8: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), adaptive 1024085dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp filtering. Unused prior to IM-6.7.0-10, was same as 6 1024110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10242ef804f5802b3d6517d516556b64fccc5843710b6glennrp 9: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), no PNG filters 102431868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 1024410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024510d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 1024610d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 1024716ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 1024816ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 1024910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1025010d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 1025110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1025229dd80efe8d7489d5f689a8a723454e684f92a8fdirk quality=image_info->quality == UndefinedCompressionQuality ? 75UL : 1025329dd80efe8d7489d5f689a8a723454e684f92a8fdirk image_info->quality; 102540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102551868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 102561868258559ddf946fa73ef72dd43507b32623705glennrp { 102571868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102581868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 102591868258559ddf946fa73ef72dd43507b32623705glennrp } 10260750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 102611868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 102623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 102643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 102653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10266bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 102670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102681868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 102691868258559ddf946fa73ef72dd43507b32623705glennrp } 102700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102711868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102721868258559ddf946fa73ef72dd43507b32623705glennrp { 102731868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 10274a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 10275a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 10276a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 10277a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 10278a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102811868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 102821868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 102831868258559ddf946fa73ef72dd43507b32623705glennrp 102841868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102861868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 102873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102881868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 102891868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 102900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102911868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 102921868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102931868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 102941868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 102950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102961868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102971868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102994054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 1030010d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103011868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 103024054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 103034054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 103041868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103051868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 103061868258559ddf946fa73ef72dd43507b32623705glennrp else 103071868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103081868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 103091868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 103103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103121868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 103131868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 103140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103151868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 103161868258559ddf946fa73ef72dd43507b32623705glennrp { 103171868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 103181868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 103191868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 103201868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103211868258559ddf946fa73ef72dd43507b32623705glennrp else 103221868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 103231868258559ddf946fa73ef72dd43507b32623705glennrp } 103244054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 103251868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 103261868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1032710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 103281868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 103291868258559ddf946fa73ef72dd43507b32623705glennrp { 103301868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 103311868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 103321868258559ddf946fa73ef72dd43507b32623705glennrp { 103331868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 103341868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 103351868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 103361868258559ddf946fa73ef72dd43507b32623705glennrp } 103371868258559ddf946fa73ef72dd43507b32623705glennrp#endif 103384054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103391868258559ddf946fa73ef72dd43507b32623705glennrp } 103400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103411868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 103421868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103441868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 103451868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 103461868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 103470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103481868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 103491868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 103501868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 103512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10352dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method=image_info->interlace != NoInterlace; 10353dec72c9b492c176af9813be3105518e91835ed37glennrp 10354dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_mng) 10355dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_sig_bytes(ping,8); 10356dec72c9b492c176af9813be3105518e91835ed37glennrp 10357dec72c9b492c176af9813be3105518e91835ed37glennrp /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 10358dec72c9b492c176af9813be3105518e91835ed37glennrp 10359dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype != 0) 10360dec72c9b492c176af9813be3105518e91835ed37glennrp { 10361dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 10362dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10363dec72c9b492c176af9813be3105518e91835ed37glennrp { 10364dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB; 10365dec72c9b492c176af9813be3105518e91835ed37glennrp 10366dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_bit_depth < 8) 10367dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth=8; 10368dec72c9b492c176af9813be3105518e91835ed37glennrp } 10369dec72c9b492c176af9813be3105518e91835ed37glennrp 10370dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 10371dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10372dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10373dec72c9b492c176af9813be3105518e91835ed37glennrp } 10374dec72c9b492c176af9813be3105518e91835ed37glennrp 10375dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse || 10376dec72c9b492c176af9813be3105518e91835ed37glennrp ((mng_info->write_png_depth && 10377dec72c9b492c176af9813be3105518e91835ed37glennrp (int) mng_info->write_png_depth != ping_bit_depth) || 10378dec72c9b492c176af9813be3105518e91835ed37glennrp (mng_info->write_png_colortype && 10379dec72c9b492c176af9813be3105518e91835ed37glennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10380dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype != 7 && 10381dec72c9b492c176af9813be3105518e91835ed37glennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 10382dec72c9b492c176af9813be3105518e91835ed37glennrp { 10383dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10384dec72c9b492c176af9813be3105518e91835ed37glennrp { 10385dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse) 10386dec72c9b492c176af9813be3105518e91835ed37glennrp { 10387dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10388dec72c9b492c176af9813be3105518e91835ed37glennrp " Image has transparency but tRNS chunk was excluded"); 10389dec72c9b492c176af9813be3105518e91835ed37glennrp } 10390dec72c9b492c176af9813be3105518e91835ed37glennrp 10391dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_depth) 10392dec72c9b492c176af9813be3105518e91835ed37glennrp { 10393dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10394dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:bit-depth=%u, Computed depth=%u", 10395dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_depth, 10396dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth); 10397dec72c9b492c176af9813be3105518e91835ed37glennrp } 10398dec72c9b492c176af9813be3105518e91835ed37glennrp 10399dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype) 10400dec72c9b492c176af9813be3105518e91835ed37glennrp { 10401dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10402dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:color-type=%u, Computed color type=%u", 10403dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype-1, 10404dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type); 10405dec72c9b492c176af9813be3105518e91835ed37glennrp } 10406dec72c9b492c176af9813be3105518e91835ed37glennrp } 10407dec72c9b492c176af9813be3105518e91835ed37glennrp 10408dec72c9b492c176af9813be3105518e91835ed37glennrp png_warning(ping, 10409dec72c9b492c176af9813be3105518e91835ed37glennrp "Cannot write image with defined png:bit-depth or png:color-type."); 10410dec72c9b492c176af9813be3105518e91835ed37glennrp } 10411dec72c9b492c176af9813be3105518e91835ed37glennrp 1041235553db9b7d0d812b53b09e3906628239d908e1ccristy if (image_matte != MagickFalse && image->alpha_trait != BlendPixelTrait) 10413dec72c9b492c176af9813be3105518e91835ed37glennrp { 10414dec72c9b492c176af9813be3105518e91835ed37glennrp /* Add an opaque matte channel */ 10415dec72c9b492c176af9813be3105518e91835ed37glennrp image->alpha_trait = BlendPixelTrait; 10416dec72c9b492c176af9813be3105518e91835ed37glennrp (void) SetImageAlpha(image,OpaqueAlpha,exception); 10417dec72c9b492c176af9813be3105518e91835ed37glennrp 10418dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10419dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10420dec72c9b492c176af9813be3105518e91835ed37glennrp " Added an opaque matte channel"); 10421dec72c9b492c176af9813be3105518e91835ed37glennrp } 10422dec72c9b492c176af9813be3105518e91835ed37glennrp 10423dec72c9b492c176af9813be3105518e91835ed37glennrp if (number_transparent != 0 || number_semitransparent != 0) 10424dec72c9b492c176af9813be3105518e91835ed37glennrp { 10425dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type < 4) 10426dec72c9b492c176af9813be3105518e91835ed37glennrp { 10427dec72c9b492c176af9813be3105518e91835ed37glennrp ping_have_tRNS=MagickTrue; 10428dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10429dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10430dec72c9b492c176af9813be3105518e91835ed37glennrp " Setting ping_have_tRNS=MagickTrue."); 10431dec72c9b492c176af9813be3105518e91835ed37glennrp } 10432dec72c9b492c176af9813be3105518e91835ed37glennrp } 10433dec72c9b492c176af9813be3105518e91835ed37glennrp 10434dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10435dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10436dec72c9b492c176af9813be3105518e91835ed37glennrp " Writing PNG header chunks"); 10437dec72c9b492c176af9813be3105518e91835ed37glennrp 10438dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 10439dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth,ping_color_type, 10440dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method,ping_compression_method, 10441dec72c9b492c176af9813be3105518e91835ed37glennrp ping_filter_method); 10442dec72c9b492c176af9813be3105518e91835ed37glennrp 10443dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 10444dec72c9b492c176af9813be3105518e91835ed37glennrp { 10445dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 10446dec72c9b492c176af9813be3105518e91835ed37glennrp 10447dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10448dec72c9b492c176af9813be3105518e91835ed37glennrp { 10449dec72c9b492c176af9813be3105518e91835ed37glennrp for (i=0; i< (ssize_t) number_colors; i++) 10450dec72c9b492c176af9813be3105518e91835ed37glennrp { 10451dec72c9b492c176af9813be3105518e91835ed37glennrp if (i < ping_num_trans) 10452dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10453dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10454dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10455dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10456dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10457dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue, 10458dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10459dec72c9b492c176af9813be3105518e91835ed37glennrp (int) ping_trans_alpha[i]); 10460dec72c9b492c176af9813be3105518e91835ed37glennrp else 10461dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10462dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d)", 10463dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10464dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10465dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10466dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue); 10467dec72c9b492c176af9813be3105518e91835ed37glennrp } 10468dec72c9b492c176af9813be3105518e91835ed37glennrp } 10469dec72c9b492c176af9813be3105518e91835ed37glennrp } 10470dec72c9b492c176af9813be3105518e91835ed37glennrp 104710d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 104720d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 104733d627862fb79aad8a20be4f1587f0b8761db441aglennrp (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 104740d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 104750d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 104760d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 104770d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10478c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10479c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 104830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10484c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10485c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10486c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10487c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10488c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1048926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10490c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10491c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10492c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up iCCP chunk"); 10495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 1049616ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10497e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10499e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10500e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10501e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10502c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10503918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP = MagickTrue; 10504c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1050526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10507c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 105083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10510c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up zTXT chunk with uuencoded ICC"); 10513cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10514c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10515c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10516c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP = MagickTrue; 10518c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10519c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105200b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10521c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10522c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10523c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 105240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10525c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10526c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105270d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 10532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP != MagickTrue && 10533ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (ping_have_sRGB != MagickFalse || 10534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1053626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1053726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1053826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1053926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1054026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1054126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1054226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1054326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 105440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1054526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10546cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10547cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 10548918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp 10549918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB = MagickTrue; 1055026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1055226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 105535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105562cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 10557918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP == MagickFalse && 10558918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB == MagickFalse && 105592cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1056026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1056126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 105713b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 105733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1057426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105752b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10576918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp if (ping_exclude_cHRM == MagickFalse && ping_have_sRGB == MagickFalse) 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1057826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1057926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1058026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1058126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1058226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 10583918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp Note: if cHRM+gAMA == sRGB write sRGB instead. 1058426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1058526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1058626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1058726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1058826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1058926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1059026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1059126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1059226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1059326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1059426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1059526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1059626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1059726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1059826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1059926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1060026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1060126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1060226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1060326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10605dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1060626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1060726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1060826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10609c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1061026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 106118fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10615c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10616c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10617c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10618c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10619c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10620c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10621c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10622c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10623c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10624c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10625c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1062626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10627991d11dd9c33e65872778b81aff1347cd2878154glennrp 1062826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10629dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1063026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1063126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1063226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1063326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1063426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1063526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10636823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 106378fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10638823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10639823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10640823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10641823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10642823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10643823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10644823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10645823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10646823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10647823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10648823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10649823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10650823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1065126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10652dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10653dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10654dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 106554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10656dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1065726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1065826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1065926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1066026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10661dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1066226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1066326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1066426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1066526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1066626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10667dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10668dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10669dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10670fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 10671fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (ping_exclude_tIME == MagickFalse) 10672fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10673fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char 10674fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk *timestamp; 10675fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1067639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (image->taint == MagickFalse) 10677fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1067839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageOption(image_info,"png:tIME"); 1067939d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1068039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp == (const char *) NULL) 10681fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageProperty(image,"png:tIME",exception); 10682fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1068339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1068439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp else 1068539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp { 1068639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1068739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp " Reset tIME in tainted image"); 1068839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1068939d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageProperty(image,"date:modify",exception); 1069039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 1069139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1069239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp != (const char *) NULL) 1069339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10694fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10695fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1069639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 10697da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10698da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1069916ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10700da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10701da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10702da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10703da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10704da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10705da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10707991d11dd9c33e65872778b81aff1347cd2878154glennrp 1070839992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10709991d11dd9c33e65872778b81aff1347cd2878154glennrp { 107103b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 107140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10715991d11dd9c33e65872778b81aff1347cd2878154glennrp 107160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 107170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 107190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 107200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10721991d11dd9c33e65872778b81aff1347cd2878154glennrp 107220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 107230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 107260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 107270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 107280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107293b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10732c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 107330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 107340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 107350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 107360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10739991d11dd9c33e65872778b81aff1347cd2878154glennrp 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10741cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10742da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10744991d11dd9c33e65872778b81aff1347cd2878154glennrp 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10746cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1074826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 107514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1075226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1075326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1075426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1075526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1075626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1075726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1075803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1075926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1076026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1076126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1076226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1076326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1076426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 107689c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 107709c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10779b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10780b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 107817202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10783b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 107843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10785b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10787b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10788b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10789b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10791b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10793b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10795b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10796b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107983b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 107993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10801b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10802b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 108030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10804b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10805e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108070997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(rowbytes,sizeof(*ping_pixels)); 108080997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 10809edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 108100997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 108110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10815ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 10816ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10817edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 108204b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 108228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 10824fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 108258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 108268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 108288d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 108298d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1083216ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10841bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10843d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 108443b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108453b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10846a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1084716ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 108480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1084916ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1085416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1085516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 108573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10861bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10862cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 108633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1086916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1087016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10874bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10875cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 108770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108783b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10879b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10880b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 108810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10882cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10883af9320404a7b05014476f844b11110157a21b73eglennrp 10884af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10885af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10886af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 10887af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10888af9320404a7b05014476f844b11110157a21b73eglennrp break; 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 10896fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 10897fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png32) && (image_matte != MagickFalse || 10898fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 10899fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1090116ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10907bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1090916ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 109102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1091116ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 109132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1091716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1091816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1092116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1092216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 109273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10930b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 109313b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10932b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 109342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1093516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1093616ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10937b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 109382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109393b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10940b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 109422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10943cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 109442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10945af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10946af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10947af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 10948af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10949af9320404a7b05014476f844b11110157a21b73eglennrp break; 109508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1095616ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10961fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if ((image_depth > 8) || 10962fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || 109638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 10964fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || 10965fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 || 10966fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 109678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10969b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10970862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 109712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1097216ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 109742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1097816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1097916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1098216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 109878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1098816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10989cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1099016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 109912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 109958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1099816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1099916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 110002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1100216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1100316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 110042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110053b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 11006b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 110082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11009cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 11010af9320404a7b05014476f844b11110157a21b73eglennrp 11011af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 11012af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11013af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 11014af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 11015af9320404a7b05014476f844b11110157a21b73eglennrp break; 11016b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 110178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 11020fd164d2bf84b111e304959af5698757d60e9b8aeglennrp /* not ((image_depth > 8) || 11021fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || mng_info->write_png32 || 11022fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 11023fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 11024fd164d2bf84b111e304959af5698757d60e9b8aeglennrp */ 110258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 110278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 110288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 110308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 110322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 110348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 110358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 110388640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 110398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 110422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104316ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 110442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104516ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 110468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1104944757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 110504bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 110514bf89731a90c6e03598950223e19e7be7b95d630glennrp 1105216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1105316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1105444757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 110552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 110578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 110612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1106216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11063cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1106416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110662cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 110688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1106916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1107016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 110712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110725eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 110735eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 110745eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110751a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 110765eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 110775eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110785eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 110795eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 110805eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 110818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 11082cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 110832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11084af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 11085af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11086af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 110878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 110888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110898640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 11090af9320404a7b05014476f844b11110157a21b73eglennrp } 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 11095b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 11096b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11101b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 111020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11104e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 111050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11107e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 111080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111125d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 111170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111215d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 111260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11131a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11133823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1113526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1113626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1113726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1113826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1113926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1114026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 111412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1114216ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 11143a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11144e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp /* Don't write any "png:" or "jpeg:" properties; those are just for 11145e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp * "identify" or for passing through to another JPEG 11146e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp */ 11147e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp if ((LocaleNCompare(property,"png:",4) != 0 && 11148a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp LocaleNCompare(property,"jpeg:",5) != 0) && 11149e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp 11150a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11151a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 11152a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 11153823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 11154a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 11155a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11156a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 11157a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 11158a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1115926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11160c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 11161c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11162a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 11163ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 11164a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 11165a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 11166a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 11167a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 11168a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 11169c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 11170c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 11171c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 111722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11173c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 11174c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 111752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11176c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 11177c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 111782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11179c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1118026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11181c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 11182c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 11183c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 11184c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1118526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 111862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11187c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 11188c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11189c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11190c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 11191c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11192c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11193cbc9215c23fce410bf0bea825dee908c15271bb3glennrp " keyword: '%s'",text[0].key); 11194c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 11195c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11196c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 11197c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 11198c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1119926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1120026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1120126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 11205cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 112100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 112120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 112165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 112175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1122703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 112363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 112385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 112415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 112433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 112453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 112523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 11253edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 112540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 112603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112610997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 112623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1126316ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1126416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1126516ea139d53d867211d3bb0fa859a83de653f687ecristy 1126616ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1126716ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1126816ea139d53d867211d3bb0fa859a83de653f687ecristy 11269b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 11270b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 11271b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 11272b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1127316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 11274b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 112753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 112780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11279868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 11280edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 11281edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 11282edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 11283edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 11284edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 11285edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 11286edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 11289edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 112933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 113093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1131016ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1131116ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 113183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1131916ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1132016ea139d53d867211d3bb0fa859a83de653f687ecristy% 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 113223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 113243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 113275d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 113283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113295a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 113305a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 113313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 113323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 113335a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 113345a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 11335e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 11336130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 11337130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 11338130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 11339e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 11340e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 11341e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 113425a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 113435a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 113443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 113455a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 113465a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 113475a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 113483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 113503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 113515a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 113525a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 113535a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 113545a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 113555a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 113563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 113583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 113593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 113600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 113615a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 113625a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11364fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG48: A 16-bit per sample RGB PNG datastream is written. The tRNS 11365fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% chunk can be present to convey binary transparency by naming 11366fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% one of the colors as transparent. If the image has more 11367fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% than one transparent color, has semitransparent pixels, or 11368fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% has an opaque pixel with the same RGB components as the 11369fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparent color, an image is not written. 11370fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 11371fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG64: A 16-bit per sample RGBA PNG is written. Partial 11372fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparency is permitted, i.e., the alpha sample for 11373fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% each pixel can have any value from 0 to 65535. The alpha 11374fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% channel is present even if the image is fully opaque. 11375fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 113765830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% o PNG00: A PNG that inherits its colortype and bit-depth from the input 113775830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% image, if the input was a PNG, is written. If these values 113785830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% cannot be found, then "PNG00" falls back to the regular "PNG" 113795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% format. 113805830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 113833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11384bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11385bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11386bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 113893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 113953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 114033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11404fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% If the image cannot be written without loss with the 11405fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% requested bit-depth and color-type, a PNG file will not 11406fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% be written, a warning will be issued, and the encoder will 11407fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% return MagickFalse. 114085a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 114093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 114103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 114113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 114125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1141316ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 114163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 114173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 114183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 114203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 114213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 114273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11428bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11429bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 114303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 114323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 114333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11434bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 114353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11436bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 114373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114383241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 114390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11440d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 114410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 114420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 114430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11444cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 114450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11446d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11447d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 114485d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11449d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11450d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11451d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11452d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 114530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 114543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 114553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 114563ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1145716ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1146021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1146121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1146221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 114643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 114693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 114703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 114725c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 114735c7cf4e469a4dad7e277783749155932252c52dfglennrp 114743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 114793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 114813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11482fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1148773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 114880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 114903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 114910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 114963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11497a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 114983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 115013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 115033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 115043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 11505fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48=LocaleCompare(image_info->magick,"PNG48") == 0; 11506fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64=LocaleCompare(image_info->magick,"PNG64") == 0; 115073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11508092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:format"); 115095a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value == (char *) NULL) 115105a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (LocaleCompare(image_info->magick,"PNG00") == 0) 11511b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 115125a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value != (char *) NULL || LocaleCompare(image_info->magick,"PNG00") == 0) 11513b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11514f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11515f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " Format=%s",value); 11516f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11517fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png8 = MagickFalse; 11518fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 = MagickFalse; 11519fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png32 = MagickFalse; 11520fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickFalse; 11521fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickFalse; 11522fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11523b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11524b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11525b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11526b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11527b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11528b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11529b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11530b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11531fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11532fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png48") == 0) 11533fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickTrue; 11534fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11535fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png64") == 0) 11536fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickTrue; 115375830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115385a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if ((LocaleCompare(value,"png00") == 0) || 115395a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp LocaleCompare(image_info->magick,"PNG00") == 0) 115405830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 115413398b5b62521b49754d9391aae9e4511857bd63bglennrp /* Retrieve png:IHDR.bit-depth-orig and png:IHDR.color-type-orig. */ 115423398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.bit-depth-orig",exception); 11543f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11544f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11545f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11546f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11547f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited bit depth=%s",value); 11548f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11549f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"1") == 0) 11550f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 1; 11551f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115525a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"2") == 0) 11553f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 2; 11554f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115555a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"4") == 0) 11556f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 4; 11557f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11558f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"8") == 0) 11559f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 8; 11560f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11561f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"16") == 0) 11562f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 16; 11563f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 11564f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115653398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.color-type-orig",exception); 11566f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11567f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11568f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11569f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11570f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited color type=%s",value); 11571f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11572f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"0") == 0) 11573f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 1; 11574f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11575f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"2") == 0) 11576f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 3; 11577f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11578f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"3") == 0) 11579f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 4; 11580f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11581f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"4") == 0) 11582f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 5; 11583f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11584f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"6") == 0) 11585f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 7; 11586f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 115875830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115885830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 115913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115929c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 115939c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115949c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 115983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115999c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 116009c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116019c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 116020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1160335553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 1160416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 116050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116069c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1160716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 116080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1160916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 116133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116149c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 116159c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116169c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 1161747da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 116180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11619197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 1162016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11623fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48) 11624fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11625fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 2 */ 3; 11626fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11627fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 11628fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 1162935553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 116304dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 11631fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11632fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else 116334dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorType,exception); 11634fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 116354dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11636fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11637fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11638fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png64) 11639fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11640fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 6 */ 7; 11641fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11642fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 1164347da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 11644fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11645197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 116464dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11647fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11648fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11649092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:bit-depth"); 116508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 116513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 116549c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 116550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116579c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 116580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116609c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 116610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 116639c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 116669c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 116670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11668bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1166916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11670bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11671bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11672bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11673bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 116743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116759c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11676bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 116773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11679092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:color-type"); 116800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 116843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 116859c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 116860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1168716ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1168816ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1168916ea139d53d867211d3bb0fa859a83de653f687ecristy 116903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116919c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 116920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 116949c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 116950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 116980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 117009c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 117010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11702bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1170316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11704bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11705bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11706bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11707bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 117083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117099c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11710d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 117113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 117140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117150dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 117160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 117170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117185d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 117190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 117200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 117210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 117220e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 117230e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117240e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 117250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117265d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 117275d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 117280e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 117290dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 117300dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 117310dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11732aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11733aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11734aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 117350e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 117370e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 117380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 117390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 117410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 117420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 117430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 117450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 117460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11748104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 117490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 117500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1175126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1175226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11753a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1175426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1175526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1175626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1175726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1175826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1175926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1176026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1176126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11762fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=MagickFalse; 11763a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1176426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1176526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1176626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1176726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 117688d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 117698d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11770092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:preserve-colormap"); 117718d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 117728b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:preserve-colormap"); 117738d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 117748d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 117758d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11776ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickFalse; 11777ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11778ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 11779ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value == NULL) 11780ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 11781ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value != NULL) 11782ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickTrue; 11783ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11784ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* These compression-level, compression-strategy, and compression-filter 117851868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 117861868258559ddf946fa73ef72dd43507b32623705glennrp */ 11787092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-level"); 117881868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 117898b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-level"); 117901868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 117911868258559ddf946fa73ef72dd43507b32623705glennrp { 117921868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 117931868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 117941868258559ddf946fa73ef72dd43507b32623705glennrp */ 117951868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 117961868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 117971868258559ddf946fa73ef72dd43507b32623705glennrp 117980ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 117991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 118001868258559ddf946fa73ef72dd43507b32623705glennrp 118011868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118021868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 118031868258559ddf946fa73ef72dd43507b32623705glennrp 118041868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118051868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 118061868258559ddf946fa73ef72dd43507b32623705glennrp 118071868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118081868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 118091868258559ddf946fa73ef72dd43507b32623705glennrp 118101868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118111868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 118121868258559ddf946fa73ef72dd43507b32623705glennrp 118131868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 118141868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 118151868258559ddf946fa73ef72dd43507b32623705glennrp 118161868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 118171868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 118181868258559ddf946fa73ef72dd43507b32623705glennrp 118191868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 118201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 118211868258559ddf946fa73ef72dd43507b32623705glennrp 118221868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 118231868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 118241868258559ddf946fa73ef72dd43507b32623705glennrp 118251868258559ddf946fa73ef72dd43507b32623705glennrp else 1182616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118271868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118281868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 118291868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118301868258559ddf946fa73ef72dd43507b32623705glennrp } 118311868258559ddf946fa73ef72dd43507b32623705glennrp 11832092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-strategy"); 118331868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118348b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-strategy"); 118351868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118361868258559ddf946fa73ef72dd43507b32623705glennrp { 118371868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118381868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 118391868258559ddf946fa73ef72dd43507b32623705glennrp 118401868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 118411868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 118421868258559ddf946fa73ef72dd43507b32623705glennrp 118431868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118441868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 118451868258559ddf946fa73ef72dd43507b32623705glennrp 118461868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1184798c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 118481868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1184998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1185098c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1185198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118521868258559ddf946fa73ef72dd43507b32623705glennrp 118531868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1185498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 118551868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1185698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1185798c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1185898c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118591868258559ddf946fa73ef72dd43507b32623705glennrp 118601868258559ddf946fa73ef72dd43507b32623705glennrp else 1186116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118621868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118631868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 118641868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118651868258559ddf946fa73ef72dd43507b32623705glennrp } 118661868258559ddf946fa73ef72dd43507b32623705glennrp 11867092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-filter"); 118681868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118698b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-filter"); 118701868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118711868258559ddf946fa73ef72dd43507b32623705glennrp { 118721868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 118731868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 118741868258559ddf946fa73ef72dd43507b32623705glennrp * 118751868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 118761868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 118771868258559ddf946fa73ef72dd43507b32623705glennrp */ 118781868258559ddf946fa73ef72dd43507b32623705glennrp 118791868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118801868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 118811868258559ddf946fa73ef72dd43507b32623705glennrp 11882b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 118831868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 118841868258559ddf946fa73ef72dd43507b32623705glennrp 118851868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118861868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 118871868258559ddf946fa73ef72dd43507b32623705glennrp 118881868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118891868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 118901868258559ddf946fa73ef72dd43507b32623705glennrp 118911868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118921868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 118931868258559ddf946fa73ef72dd43507b32623705glennrp 118941868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118951868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 118961868258559ddf946fa73ef72dd43507b32623705glennrp 118971868258559ddf946fa73ef72dd43507b32623705glennrp else 1189816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118991868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 119001868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 119011868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 119021a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1190303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119041a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp for (source=0; source<8; source++) 119055c7cf4e469a4dad7e277783749155932252c52dfglennrp { 119061a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp value = NULL; 11907acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 119082dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 0) 119092dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunks"); 119102dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119112dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 1) 119122dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunks"); 119132dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119142dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 2) 119152dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 119162dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119172dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 3) 119182dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 119192dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119202dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 4) 119212dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunks"); 119222dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119232dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 5) 119242dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunks"); 119252dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119262dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 6) 119272dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunk"); 119282dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119292dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 7) 119302dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunk"); 1193126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 119321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (value == NULL) 119331a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp continue; 119341a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp 119351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source < 4) 119361a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickTrue; 119371a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else 119381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickFalse; 1193926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1194003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 119412cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 119421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source == 0 || source == 2) 119431a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119441a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:exclude-chunk=%s found in image options.\n", value); 119451a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 1 || source == 3) 119462cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119472cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 119481a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 4 || source == 6) 119492cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119501a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image options.\n", value); 119511a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else /* if (source == 5 || source == 7) */ 119521a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119531a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image artifacts.\n", value); 119542cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1195503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (IsOptionMember("all",value) != MagickFalse) 119571a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 119581a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 119591a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 119601a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 119611a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 119621a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 119631a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 119641a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=excluding; */ 119651a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 119661a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 119671a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 119681a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 11969fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 119701a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 119711a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 119721a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 119731a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 119741a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 11975280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp 11976689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("none",value) != MagickFalse) 119771a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 11978a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_bKGD=excluding != MagickFalse ? MagickFalse : 11979a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11980a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_cHRM=excluding != MagickFalse ? MagickFalse : 11981a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11982a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_date=excluding != MagickFalse ? MagickFalse : 11983a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11984a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_EXIF=excluding != MagickFalse ? MagickFalse : 11985a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11986a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_gAMA=excluding != MagickFalse ? MagickFalse : 11987a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11988a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_iCCP=excluding != MagickFalse ? MagickFalse : 11989a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 119901a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=!excluding; */ 11991a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_oFFs=excluding != MagickFalse ? MagickFalse : 11992a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11993a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_pHYs=excluding != MagickFalse ? MagickFalse : 11994a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11995a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_sRGB=excluding != MagickFalse ? MagickFalse : 11996a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11997a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tEXt=excluding != MagickFalse ? MagickFalse : 11998a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11999fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding != MagickFalse ? MagickFalse : 12000fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk MagickTrue; 12001a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tRNS=excluding != MagickFalse ? MagickFalse : 12002a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12003a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_vpAg=excluding != MagickFalse ? MagickFalse : 12004a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12005a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zCCP=excluding != MagickFalse ? MagickFalse : 12006a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12007a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zTXt=excluding != MagickFalse ? MagickFalse : 12008a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 120091a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1201003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 12011689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("bkgd",value) != MagickFalse) 120121a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 120132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12014689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("chrm",value) != MagickFalse) 120151a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 12016a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 12017689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("date",value) != MagickFalse) 120181a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12020689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("exif",value) != MagickFalse) 120211a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12023689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("gama",value) != MagickFalse) 120241a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120252cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12026689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("iccp",value) != MagickFalse) 120271a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12029689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 12030689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("itxt",value) != MagickFalse) 120311a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iTXt=excluding; 12032689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 120332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12034689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("offs",value) != MagickFalse) 120351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 120362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12037689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("phys",value) != MagickFalse) 120381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 120392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12040689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("srgb",value) != MagickFalse) 120411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 120422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12043689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("text",value) != MagickFalse) 120441a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 120452cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12046fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (IsOptionMember("time",value) != MagickFalse) 12047fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 12048fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 12049689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("trns",value) != MagickFalse) 120501a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 12051a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 12052689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("vpag",value) != MagickFalse) 120531a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 120542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12055689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("zccp",value) != MagickFalse) 120561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 120572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12058689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("ztxt",value) != MagickFalse) 120591a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 1206026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1206126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 120621a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (logging != MagickFalse) 1206326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1206426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120655d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1206626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1206726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1206926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1207026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 12072a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 12073a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12074a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1207526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1207626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1207826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1207926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1208126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1208226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 12084689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 1208526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1208626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 12088689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 12089689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp 1209026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1209126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1209326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1209426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1209626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1209726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1209926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1210026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1210126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 12102fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (mng_info->ping_exclude_tIME != MagickFalse) 12103fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12104fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk " tIME"); 12105a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 12106a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12107a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1210826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1210926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1211126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1211226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1211426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1211526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1211726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1211826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 12119b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 121203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1212116ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 121223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 121240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 121270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1213516ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 121363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 121373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 121413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1214403812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 121483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 121583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 121593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12161bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1216259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 121633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 12166fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 121673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 121703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 121713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 1217435553db9b7d0d812b53b09e3906628239d908e1ccristy image_info->type==TrueColorMatteType || image->alpha_trait == BlendPixelTrait; 121753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121764b917593e694424be469d250448c05c878663812glennrp jng_alpha_sample_depth = 0; 121774b917593e694424be469d250448c05c878663812glennrp 1217859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1217959575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1218059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1218159575fa5c228308a41d7f5028390be2083aaaf6dglennrp 12182750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1218359575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1218459575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1218559575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1218659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12188d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp length=0; 12189d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 121908fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 121930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1219716ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 121980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 122000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1220816ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122128a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 122138f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1221416ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1221516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 122163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 122173b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 122193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1222059575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1222159575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1222259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1222359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1222459575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1222559575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 122263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 122283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 122317fb2652ba366fc984d1dbb0c66560b91c57dab78cristy TrueColorType && IsImageGray(image,exception)) 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223459575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1223559575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1223659575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1223759575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1223859575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1223959575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 122408fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 1224159575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1224259575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224359575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1224459575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224559575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1224659575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224759575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1224859575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1224959575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1225059575fa5c228308a41d7f5028390be2083aaaf6dglennrp 122518fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 122523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1225816ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1226016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 122643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 122673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12269cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 12270cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 12271cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1227316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1227616ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 122783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1228216ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1228516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 122883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1229416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 122960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12299e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12300e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 123013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 123043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 123063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 123103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1231203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 123134e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 123144e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 123173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 123183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12328f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 123290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12331f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 123320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 123350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 123380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 123410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 123440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 123470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 123500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 123530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 12359cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123658fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12376bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12383bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1238503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 123883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 123893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 123933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 123973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1240603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 124070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12409e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12410cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12411e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 124120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12414e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12415cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12416e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 124170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 124203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1243003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1243135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 124323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1244703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1244935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1245035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1245235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1245335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 124543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1245535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1245635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 124573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1245835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1245935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 124603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1246516ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1247203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1247535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1247616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 124770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1247835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1247916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 124800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1248835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1248916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 124900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1249135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1249216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 124930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1249916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1250016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1251503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12516bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1252603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 125283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 125293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125358fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 125363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 125383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12539bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12542fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy size_t 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 125463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12548e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12549f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 125523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 125533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12554bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125565389e5ad63c880fe6885e3b24c76acbdbf63bd61cristy len=(size_t) (*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 125580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12562fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image,len); 12563fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy LogPNGChunk(logging,mng_IDAT,len); 12564fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlob(image,len+4,p); 12565fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image, crc32(0,p,(uInt) len+4)); 125663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12572e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12573e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12583e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1258603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 125883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 125903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 126073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1260816ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 126143b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 126153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1261816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12622e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12623e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 126263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 126270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1262859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1262959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 126303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 126313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 126320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 126360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1263716ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 126380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12642e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12643e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12646e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12650bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1265203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 126593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12663cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1266803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 126750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1269716ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1269816ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1270616ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1270716ea139d53d867211d3bb0fa859a83de653f687ecristy% 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1271016ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1271116ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1271421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1271503812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12729fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1273016ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 127363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1273873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1275016ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 127543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 127573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1276116ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1276216ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1277121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1277403812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1277503812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1277603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 127773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 127893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 127933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12794bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 127983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 128033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12804bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12807bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 128083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12811d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12825fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1282616ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1283473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 128413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 128523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 128573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Checking input image(s)\n" 128752dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Image_info depth: %.20g, Type: %d", 128762dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) image_info->depth, image_info->type); 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 128793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12883280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " Scene: %.20g\n, Image depth: %.20g", 12884280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp (double) scene++, (double) p->depth); 128850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1288635553db9b7d0d812b53b09e3906628239d908e1ccristy if (p->alpha_trait == BlendPixelTrait) 128873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 128890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 128930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 128970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 129010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 129033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12904e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 129050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 129090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 129643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 129653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 129673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 129713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 129720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 129790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1298035553db9b7d0d812b53b09e3906628239d908e1ccristy if (next_image->alpha_trait == BlendPixelTrait) 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 129820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 1298435553db9b7d0d812b53b09e3906628239d908e1ccristy if ((next_image->alpha_trait == BlendPixelTrait) || 12985dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy next_image->page.x || next_image->page.y || 129863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 129883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 129890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 129913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 129920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 129940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 129980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1300435553db9b7d0d812b53b09e3906628239d908e1ccristy if (image->alpha_trait == BlendPixelTrait) 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130097fb2652ba366fc984d1dbb0c66560b91c57dab78cristy if (IsImageGray(image,exception) == MagickFalse) 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1303516ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1303616ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 130403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 130423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 130893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130900261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 13091d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 13092d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1309316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1309416ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 13095d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 13096d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 13097d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 130983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 13103cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 13104cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 131070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 131100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 131130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 13116d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp (final_delay != 25) && (final_delay != 50) && (1UL*final_delay != 131173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1313403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 131354e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 131364e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 131470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 131560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 131680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 131770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 13184092ec8d083fedaedfb7792995e7ea42164553cffcristy option=GetImageOption(image_info,"mng:need-cacheoff"); 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 131883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 13195bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1319603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 131973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 131993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 132003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 132023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 132033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 132073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 132093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1321003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 132123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 132133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 132143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 132150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 132180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 132210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13225e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 13226e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 132270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13230e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 132310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13234e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 132353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 132373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 132383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 132413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1325003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 132510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 13253e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13254cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13255e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 132560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 13258e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13259cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13260cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 132610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 132633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 132653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1327603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1327735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 132803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 132813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 132833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 132853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 132863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 132913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1329203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1329435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1329535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 132963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1329735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1329835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 132993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1330035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1330135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 133023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1330335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1330435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 133053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 133063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 133073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 133083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1331016ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 133113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 133143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 133163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1331703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 133180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 133203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1332135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1332216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 133230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1332435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1332516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 133260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 133333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1333435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1333516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 133360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1333735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1333816ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 133390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1334516ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1334616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 133473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 133483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 133513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 133523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 133553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 133563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1335735553db9b7d0d812b53b09e3906628239d908e1ccristy if (write_mng && ((image->alpha_trait == BlendPixelTrait) || 13358dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy image->page.x > 0 || image->page.y > 0 || (image->page.width && 133593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 133603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 133613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 133623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1336503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 133663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 133673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 133683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 133693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 133703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 133713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 133723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 133753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1337803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 133793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 133853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 133863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 133873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 133883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13389bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 133903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 133913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 133943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 133963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 133973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1339803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 133990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13400bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1340216ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1340316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1340416ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1340516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1340616ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1340716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 134083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 134123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 134173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 134183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 134213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 134233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 134253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 134303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 134313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 134333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 134353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 134383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 134393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 134413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 134423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 134433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13447bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 134483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 134493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1345303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13455bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 134583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 134593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 134603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 134643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 134653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 134703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 134733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13474bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 134753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 134763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 134773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 134793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 134813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 134823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 134863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 134873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 134893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 134903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 134913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 134933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1349403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 134953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 134963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 134973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 134983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 134993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 135003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 135013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 135023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 135033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 135083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 135103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 135113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 135133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 135143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 135153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 135173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 135203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 135223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1352303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 135243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 135263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 135273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 135323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 135343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1353503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 135363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 135383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 135393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 135403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 135413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 135423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 135433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 135443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 135453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 135463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 135474e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 135483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 135503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 135533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 135543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 135563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 135573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 135613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 135623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 135633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1356416ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 135653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 135663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 135732f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13574b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 135758d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 135762f2e514554975d510c88df54de98c6cdc1080f1cglennrp 135772f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 135782f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 135792f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13580a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 135812f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 135822f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 135832f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 135842f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 135852f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 135862f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 135872f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 135882f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13589a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 135902f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 135912f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 135922f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 135932f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1359416ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 135953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 135983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 136023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 136043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 136053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 136073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 136083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 136090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 136140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 136163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 136183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 136193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 136213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 136233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1362403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 136253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 136263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 136273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 136303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 136360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 136383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13639d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1364039992b4dd9b12ef752d55b8e402c069698851f72glennrp 136413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 136423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136433bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 136443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 136453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 136460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 136483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 136493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1365039992b4dd9b12ef752d55b8e402c069698851f72glennrp 136513ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 136523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 136543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13655d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 136563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13657