png.c revision c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dc
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 % 163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% John Cristy % 173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Glenn Randers-Pehrson % 183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 1997 % 193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 211454be7db7a897f42cd40e4165f945d77196a6f8cristy% Copyright 1999-2012 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 1328e58efdecda887b08ef730d68290a61081ef2566glennrp/* Macros for left-bit-replication to ensure that pixels 13316ea139d53d867211d3bb0fa859a83de653f687ecristy * and PixelInfos all have the same image->depth, and for use 1348e58efdecda887b08ef730d68290a61081ef2566glennrp * in PNG8 quantization. 1358e58efdecda887b08ef730d68290a61081ef2566glennrp */ 1368e58efdecda887b08ef730d68290a61081ef2566glennrp 1378e58efdecda887b08ef730d68290a61081ef2566glennrp 1388e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR01: Replicate top bit */ 1398e58efdecda887b08ef730d68290a61081ef2566glennrp 14005001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR01PacketRed(pixelpacket) \ 1418e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=(ScaleQuantumToChar((pixelpacket).red) < 0x10 ? \ 1428e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1438e58efdecda887b08ef730d68290a61081ef2566glennrp 14491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketGreen(pixelpacket) \ 1458e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=(ScaleQuantumToChar((pixelpacket).green) < 0x10 ? \ 1468e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1478e58efdecda887b08ef730d68290a61081ef2566glennrp 14891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketBlue(pixelpacket) \ 1498e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=(ScaleQuantumToChar((pixelpacket).blue) < 0x10 ? \ 1508e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1518e58efdecda887b08ef730d68290a61081ef2566glennrp 15216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PacketAlpha(pixelpacket) \ 15316ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=(ScaleQuantumToChar((pixelpacket).alpha) < 0x10 ? \ 1548e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1558e58efdecda887b08ef730d68290a61081ef2566glennrp 15691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGB(pixelpacket) \ 157bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 15805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR01PacketRed((pixelpacket)); \ 15991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketGreen((pixelpacket)); \ 16091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketBlue((pixelpacket)); \ 161bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1628e58efdecda887b08ef730d68290a61081ef2566glennrp 16391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGBO(pixelpacket) \ 164bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 16591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGB((pixelpacket)); \ 16616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PacketAlpha((pixelpacket)); \ 167bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1688e58efdecda887b08ef730d68290a61081ef2566glennrp 169ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR01PixelRed(pixel) \ 17016ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelRed(image,(pixel))) < 0x10 ? \ 1718e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1728e58efdecda887b08ef730d68290a61081ef2566glennrp 17354cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelGreen(pixel) \ 17416ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelGreen(image,(pixel))) < 0x10 ? \ 1758e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1768e58efdecda887b08ef730d68290a61081ef2566glennrp 17754cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelBlue(pixel) \ 17816ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelBlue(image,(pixel))) < 0x10 ? \ 1798e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1808e58efdecda887b08ef730d68290a61081ef2566glennrp 18116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelAlpha(pixel) \ 18216ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) < 0x10 ? \ 1838e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1848e58efdecda887b08ef730d68290a61081ef2566glennrp 18554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelRGB(pixel) \ 186bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 187ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR01PixelRed((pixel)); \ 18854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelGreen((pixel)); \ 18954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelBlue((pixel)); \ 190bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1918e58efdecda887b08ef730d68290a61081ef2566glennrp 19216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelRGBA(pixel) \ 193bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 19454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelRGB((pixel)); \ 19516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelAlpha((pixel)); \ 196bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1978e58efdecda887b08ef730d68290a61081ef2566glennrp 1988e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR02: Replicate top 2 bits */ 1998e58efdecda887b08ef730d68290a61081ef2566glennrp 20005001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR02PacketRed(pixelpacket) \ 2018e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2028e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xc0; \ 2038e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2048e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2058e58efdecda887b08ef730d68290a61081ef2566glennrp } 20691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketGreen(pixelpacket) \ 2078e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2088e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xc0; \ 2098e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2108e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2118e58efdecda887b08ef730d68290a61081ef2566glennrp } 21291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketBlue(pixelpacket) \ 2138e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2148e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xc0; \ 2158e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 2168e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2178e58efdecda887b08ef730d68290a61081ef2566glennrp } 21816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PacketAlpha(pixelpacket) \ 2198e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 22016ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xc0; \ 22116ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum( \ 2228e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2238e58efdecda887b08ef730d68290a61081ef2566glennrp } 2248e58efdecda887b08ef730d68290a61081ef2566glennrp 22591d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGB(pixelpacket) \ 226bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 22705001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR02PacketRed((pixelpacket)); \ 22891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketGreen((pixelpacket)); \ 22991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue((pixelpacket)); \ 230bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2318e58efdecda887b08ef730d68290a61081ef2566glennrp 23291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGBO(pixelpacket) \ 233bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 23491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGB((pixelpacket)); \ 23516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PacketAlpha((pixelpacket)); \ 236bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2378e58efdecda887b08ef730d68290a61081ef2566glennrp 238ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR02PixelRed(pixel) \ 2398e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 24016ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 2418e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 24216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 24316ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 24416ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2458e58efdecda887b08ef730d68290a61081ef2566glennrp } 24654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelGreen(pixel) \ 2478e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 24816ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 2498e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 25016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 25116ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 25216ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2538e58efdecda887b08ef730d68290a61081ef2566glennrp } 25454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelBlue(pixel) \ 2558e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2568e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 25716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xc0; \ 25816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 25916ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 26016ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2618e58efdecda887b08ef730d68290a61081ef2566glennrp } 26216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelAlpha(pixel) \ 2638e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2648e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 26516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xc0; \ 26616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, ScaleCharToQuantum( \ 26716ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 26816ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel) ); \ 2698e58efdecda887b08ef730d68290a61081ef2566glennrp } 2708e58efdecda887b08ef730d68290a61081ef2566glennrp 27154cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelRGB(pixel) \ 272bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 273ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR02PixelRed((pixel)); \ 27454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelGreen((pixel)); \ 27554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue((pixel)); \ 276bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2778e58efdecda887b08ef730d68290a61081ef2566glennrp 27816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelRGBA(pixel) \ 279bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 28054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelRGB((pixel)); \ 28116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelAlpha((pixel)); \ 282bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2838e58efdecda887b08ef730d68290a61081ef2566glennrp 2848e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR03: Replicate top 3 bits (only used with opaque pixels during 2858e58efdecda887b08ef730d68290a61081ef2566glennrp PNG8 quantization) */ 2868e58efdecda887b08ef730d68290a61081ef2566glennrp 28705001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR03PacketRed(pixelpacket) \ 2888e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2898e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xe0; \ 2908e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2918e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 2928e58efdecda887b08ef730d68290a61081ef2566glennrp } 29391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketGreen(pixelpacket) \ 2948e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2958e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xe0; \ 2968e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2978e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 2988e58efdecda887b08ef730d68290a61081ef2566glennrp } 29991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketBlue(pixelpacket) \ 3008e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3018e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xe0; \ 3028e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 3038e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3048e58efdecda887b08ef730d68290a61081ef2566glennrp } 3058e58efdecda887b08ef730d68290a61081ef2566glennrp 30691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketRGB(pixelpacket) \ 307bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 30805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR03PacketRed((pixelpacket)); \ 30991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketGreen((pixelpacket)); \ 31091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketBlue((pixelpacket)); \ 311bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3128e58efdecda887b08ef730d68290a61081ef2566glennrp 313ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR03PixelRed(pixel) \ 3148e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 31516ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3168e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 31716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 31816ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3198e58efdecda887b08ef730d68290a61081ef2566glennrp } 32016ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Green(pixel) \ 3218e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 32216ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3238e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 32416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 32516ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3268e58efdecda887b08ef730d68290a61081ef2566glennrp } 32716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Blue(pixel) \ 3288e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 32916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelBlue(image,(pixel))) \ 3308e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 33116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 33216ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3338e58efdecda887b08ef730d68290a61081ef2566glennrp } 3348e58efdecda887b08ef730d68290a61081ef2566glennrp 33516ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03RGB(pixel) \ 336bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 337ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR03PixelRed((pixel)); \ 33816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Green((pixel)); \ 33916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Blue((pixel)); \ 340bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3418e58efdecda887b08ef730d68290a61081ef2566glennrp 3428e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR04: Replicate top 4 bits */ 3438e58efdecda887b08ef730d68290a61081ef2566glennrp 34405001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR04PacketRed(pixelpacket) \ 3458e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3468e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xf0; \ 3478e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3488e58efdecda887b08ef730d68290a61081ef2566glennrp } 34991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketGreen(pixelpacket) \ 3508e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3518e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xf0; \ 3528e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3538e58efdecda887b08ef730d68290a61081ef2566glennrp } 35491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketBlue(pixelpacket) \ 3558e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3568e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xf0; \ 3578e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3588e58efdecda887b08ef730d68290a61081ef2566glennrp } 35916ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PacketAlpha(pixelpacket) \ 3608e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 36116ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xf0; \ 36216ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3638e58efdecda887b08ef730d68290a61081ef2566glennrp } 3648e58efdecda887b08ef730d68290a61081ef2566glennrp 36591d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGB(pixelpacket) \ 366bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 36705001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR04PacketRed((pixelpacket)); \ 36891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketGreen((pixelpacket)); \ 36991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketBlue((pixelpacket)); \ 370bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3718e58efdecda887b08ef730d68290a61081ef2566glennrp 37291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGBO(pixelpacket) \ 373bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 37491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB((pixelpacket)); \ 37516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PacketAlpha((pixelpacket)); \ 376bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3778e58efdecda887b08ef730d68290a61081ef2566glennrp 378ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR04PixelRed(pixel) \ 3798e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 38016ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3818e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 38216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 38316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3848e58efdecda887b08ef730d68290a61081ef2566glennrp } 38554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelGreen(pixel) \ 3868e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 38716ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3888e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 38916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 39016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3918e58efdecda887b08ef730d68290a61081ef2566glennrp } 39254cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelBlue(pixel) \ 3938e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3948e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 39516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xf0; \ 39616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 39716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3988e58efdecda887b08ef730d68290a61081ef2566glennrp } 39916ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelAlpha(pixel) \ 4008e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4018e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 40216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xf0; \ 40316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 40416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4058e58efdecda887b08ef730d68290a61081ef2566glennrp } 4068e58efdecda887b08ef730d68290a61081ef2566glennrp 40754cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelRGB(pixel) \ 408bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 409ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR04PixelRed((pixel)); \ 41054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelGreen((pixel)); \ 41154cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelBlue((pixel)); \ 412bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4138e58efdecda887b08ef730d68290a61081ef2566glennrp 41416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelRGBA(pixel) \ 415bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41654cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB((pixel)); \ 41716ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelAlpha((pixel)); \ 418bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4198e58efdecda887b08ef730d68290a61081ef2566glennrp 4208e58efdecda887b08ef730d68290a61081ef2566glennrp 4218e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR08: Replicate top 8 bits */ 4228e58efdecda887b08ef730d68290a61081ef2566glennrp 42305001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR08PacketRed(pixelpacket) \ 4248e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4258e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red); \ 4268e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits)); \ 4278e58efdecda887b08ef730d68290a61081ef2566glennrp } 42891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketGreen(pixelpacket) \ 4298e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4308e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green); \ 4318e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits)); \ 4328e58efdecda887b08ef730d68290a61081ef2566glennrp } 43391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketBlue(pixelpacket) \ 4348e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4358e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue); \ 4368e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits)); \ 4378e58efdecda887b08ef730d68290a61081ef2566glennrp } 43816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PacketAlpha(pixelpacket) \ 4398e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 44016ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha); \ 44116ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits)); \ 4428e58efdecda887b08ef730d68290a61081ef2566glennrp } 4438e58efdecda887b08ef730d68290a61081ef2566glennrp 44491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketRGB(pixelpacket) \ 445bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 44605001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR08PacketRed((pixelpacket)); \ 44791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketGreen((pixelpacket)); \ 44891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketBlue((pixelpacket)); \ 449bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4508e58efdecda887b08ef730d68290a61081ef2566glennrp 45191d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketRGBO(pixelpacket) \ 452bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 45391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGB((pixelpacket)); \ 45416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PacketAlpha((pixelpacket)); \ 455bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4568e58efdecda887b08ef730d68290a61081ef2566glennrp 457ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR08PixelRed(pixel) \ 4588e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4598e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 46016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelRed(image,(pixel))); \ 46116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 46216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4638e58efdecda887b08ef730d68290a61081ef2566glennrp } 46454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelGreen(pixel) \ 4658e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4668e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 46716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,(pixel))); \ 46816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 46916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4708e58efdecda887b08ef730d68290a61081ef2566glennrp } 47154cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelBlue(pixel) \ 4728e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4738e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 47416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))); \ 47516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 47616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4778e58efdecda887b08ef730d68290a61081ef2566glennrp } 47816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PixelAlpha(pixel) \ 4798e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4808e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 48116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))); \ 48216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 48316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4848e58efdecda887b08ef730d68290a61081ef2566glennrp } 4858e58efdecda887b08ef730d68290a61081ef2566glennrp 48654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelRGB(pixel) \ 487bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 488ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR08PixelRed((pixel)); \ 48954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelGreen((pixel)); \ 49054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelBlue((pixel)); \ 491bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4928e58efdecda887b08ef730d68290a61081ef2566glennrp 49316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PixelRGBA(pixel) \ 494bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 49554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelRGB((pixel)); \ 49616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PixelAlpha((pixel)); \ 497bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4988e58efdecda887b08ef730d68290a61081ef2566glennrp 4998e58efdecda887b08ef730d68290a61081ef2566glennrp 5008e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR16: Replicate top 16 bits */ 5018e58efdecda887b08ef730d68290a61081ef2566glennrp 50205001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR16PacketRed(pixelpacket) \ 5038e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5048e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).red); \ 5058e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleShortToQuantum((lbr_bits)); \ 5068e58efdecda887b08ef730d68290a61081ef2566glennrp } 50791d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketGreen(pixelpacket) \ 5088e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5098e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).green); \ 5108e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleShortToQuantum((lbr_bits)); \ 5118e58efdecda887b08ef730d68290a61081ef2566glennrp } 51291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketBlue(pixelpacket) \ 5138e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5148e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).blue); \ 5158e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleShortToQuantum((lbr_bits)); \ 5168e58efdecda887b08ef730d68290a61081ef2566glennrp } 51716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PacketAlpha(pixelpacket) \ 5188e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 51916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).alpha); \ 52016ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleShortToQuantum((lbr_bits)); \ 5218e58efdecda887b08ef730d68290a61081ef2566glennrp } 5228e58efdecda887b08ef730d68290a61081ef2566glennrp 52391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketRGB(pixelpacket) \ 524bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 52505001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR16PacketRed((pixelpacket)); \ 52691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketGreen((pixelpacket)); \ 52791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketBlue((pixelpacket)); \ 528bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5298e58efdecda887b08ef730d68290a61081ef2566glennrp 53091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketRGBO(pixelpacket) \ 531bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 53291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGB((pixelpacket)); \ 53316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PacketAlpha((pixelpacket)); \ 534bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5358e58efdecda887b08ef730d68290a61081ef2566glennrp 536ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR16PixelRed(pixel) \ 5378e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5388e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 53916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelRed(image,(pixel))); \ 54016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 54116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5428e58efdecda887b08ef730d68290a61081ef2566glennrp } 54354cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelGreen(pixel) \ 5448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 54616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,(pixel))); \ 54716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 54816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5498e58efdecda887b08ef730d68290a61081ef2566glennrp } 55054cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelBlue(pixel) \ 5518e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5528e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 55316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,(pixel))); \ 55416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 55516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5568e58efdecda887b08ef730d68290a61081ef2566glennrp } 55716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PixelAlpha(pixel) \ 5588e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5598e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 56016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelAlpha(image,(pixel))); \ 56116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 56216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5638e58efdecda887b08ef730d68290a61081ef2566glennrp } 5648e58efdecda887b08ef730d68290a61081ef2566glennrp 56554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelRGB(pixel) \ 566bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 567ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR16PixelRed((pixel)); \ 56854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelGreen((pixel)); \ 56954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelBlue((pixel)); \ 570bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5718e58efdecda887b08ef730d68290a61081ef2566glennrp 57216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PixelRGBA(pixel) \ 573bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 57454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelRGB((pixel)); \ 57516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PixelAlpha((pixel)); \ 576bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5778e58efdecda887b08ef730d68290a61081ef2566glennrp 5783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 5803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 5813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 5823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef SETJMP_IS_THREAD_SAFE 5843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_SETJMP_NOT_THREAD_SAFE 5853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 587edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 5883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 589cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_semaphore = (SemaphoreInfo *) NULL; 5903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 5943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 5953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 5963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 5983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 6013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 6023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 6033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 6043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 6063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 6093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 6103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 6113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 6123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 6133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 6143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 6153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 6173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 6183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 6193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 6203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 6213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 6223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 6233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 626bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 6273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 6283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 6323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 6363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 64185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 64285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 64385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 64485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 64585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 64685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 64785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 64885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 64985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 65085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 65185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 65285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 65385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 65485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 65585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 65685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 65785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 65885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 65985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 66085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 66185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 66285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 66385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 66485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 66585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 66685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 66785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 66885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 66985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 67085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 67185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 67285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 67385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 67685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 67785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 67885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 67985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 68085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 68185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristyOther known chunks that are not yet supported by ImageMagick: 68685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 68785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 68885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 68985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 69085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 69185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 69285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 69385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 6943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 6973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 7023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 7063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7078182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 7103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 7113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 716bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 7383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 7393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 7583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 7623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 794bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 8213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 8303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84035ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 850b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 851b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 852b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 8533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 8693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 8701868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_level, 8711868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_strategy, 8721868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_filter, 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 878bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 8793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 8813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 8983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 8993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90716ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 9093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 91126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 91226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 91326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 914a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 91526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 91626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 91726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 91826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 91926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 92026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 92126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 92226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 923a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 92426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 92526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 9268d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_exclude_zTXt, 9278d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap; 92826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 9353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 93616ea139d53d867211d3bb0fa859a83de653f687ecristy WritePNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 93916ea139d53d867211d3bb0fa859a83de653f687ecristy WriteMNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 9423ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 94316ea139d53d867211d3bb0fa859a83de653f687ecristy WriteJNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 9470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 948fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 9500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 95116ea139d53d867211d3bb0fa859a83de653f687ecristyLosslessReduceDepthOK(Image *image,ExceptionInfo *exception) 9520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 9539d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp /* Reduce bit depth if it can be reduced losslessly from 16+ to 8. 95467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 95567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * This is true if the high byte and the next highest byte of 95667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * each sample of the image, the colormap, and the background color 9573faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are equal to each other. We check this by seeing if the samples 9583faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are unchanged when we scale them down to 8 and back up to Quantum. 95967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 96067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * We don't use the method GetImageDepth() because it doesn't check 9613faa9a3fb01696daaf976d595f492cb530bffb21glennrp * background and doesn't handle PseudoClass specially. 9629d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp */ 96305a549971fd661147ade177e2bc10f6cfcfc32b4glennrp 9643faa9a3fb01696daaf976d595f492cb530bffb21glennrp#define QuantumToCharToQuantumEqQuantum(quantum) \ 9653faa9a3fb01696daaf976d595f492cb530bffb21glennrp ((ScaleCharToQuantum((unsigned char) ScaleQuantumToChar(quantum))) == quantum) 9663faa9a3fb01696daaf976d595f492cb530bffb21glennrp 96767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp MagickBooleanType 96867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ok_to_reduce=MagickFalse; 96967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp 97003e11f6e8d7f01a32b53d7e8e6a3bfd5ef1c5c9dglennrp if (image->depth >= 16) 9710c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9720c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 97316ea139d53d867211d3bb0fa859a83de653f687ecristy const Quantum 9740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 9750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9760c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 9773faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.red) && 9783faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.green) && 9793faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.blue) ? 9803faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 9830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 9850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9860c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 9870c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9883faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce=( 9893faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9903faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].red) && 9913faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9923faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].green) && 9933faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9943faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].blue)) ? 9953faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9963faa9a3fb01696daaf976d595f492cb530bffb21glennrp 9970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 9983faa9a3fb01696daaf976d595f492cb530bffb21glennrp break; 9990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 10030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 10040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 10060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 10070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 10090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 10100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 10120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 101316ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 10140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 101516ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 10160c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10170c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 10180c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10200c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 10220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10233faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce= 102416ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelRed(image,p)) && 102516ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelGreen(image,p)) && 102616ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelBlue(image,p)) ? 10273faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 10280c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 10300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 103216ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 10330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10348640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 10350c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10380c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 10400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10410c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1042fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 10430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 1044a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 1045a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 1046a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1047fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 1048a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 10490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 10520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 10530c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 10540c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10551a56e9c9268976936eeab9fe97eb664b847e444cglennrpstatic const char* PngColorTypeToString(const unsigned int color_type) 10561a56e9c9268976936eeab9fe97eb664b847e444cglennrp{ 10571a56e9c9268976936eeab9fe97eb664b847e444cglennrp const char 10581a56e9c9268976936eeab9fe97eb664b847e444cglennrp *result = "Unknown"; 10591a56e9c9268976936eeab9fe97eb664b847e444cglennrp 10601a56e9c9268976936eeab9fe97eb664b847e444cglennrp switch (color_type) 10611a56e9c9268976936eeab9fe97eb664b847e444cglennrp { 10621a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY: 10631a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray"; 10641a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 10651a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10661a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray+Alpha"; 10671a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 10681a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_PALETTE: 10691a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Palette"; 10701a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 10711a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB: 10721a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB"; 10731a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 10741a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB_ALPHA: 10751a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB+Alpha"; 10761a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 10771a56e9c9268976936eeab9fe97eb664b847e444cglennrp } 10781a56e9c9268976936eeab9fe97eb664b847e444cglennrp 10791a56e9c9268976936eeab9fe97eb664b847e444cglennrp return result; 10801a56e9c9268976936eeab9fe97eb664b847e444cglennrp} 10811a56e9c9268976936eeab9fe97eb664b847e444cglennrp 1082e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 1083cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_to_PNG_RenderingIntent(const RenderingIntent intent) 10840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1085e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 1086e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1087e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 1088e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 10890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1090e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 1091e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 10920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1093e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 1094e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 10950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1096e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 1097e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 10980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1099e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1100e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 1101e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1102e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1103e610a071534e448c46460a5aa39ede33bf56b329glennrp 1104e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 1105cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_from_PNG_RenderingIntent(const int ping_intent) 11060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1107cf002022280cc4dedb2748ad6f415aac1d44f530glennrp switch (ping_intent) 1108e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1109e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 1110e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 11110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1112e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 1113e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 11140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1115e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 1116e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 11170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1118e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 1119e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 11200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1121e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1122e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 1123e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1124e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1125e610a071534e448c46460a5aa39ede33bf56b329glennrp 11269d8c12213abd15fee2d84da62d3e5145d9db06cdcristystatic const char * 112798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrpMagick_RenderingIntentString_from_PNG_RenderingIntent(const int ping_intent) 112898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp{ 112998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp switch (ping_intent) 113098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 113198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 0: 113298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Perceptual Intent"; 113398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 113498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 1: 113598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Relative Intent"; 113698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 113798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 2: 113898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Saturation Intent"; 113998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 114098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 3: 114198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Absolute Intent"; 114298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 114398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp default: 114498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Undefined Intent"; 114598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 114698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp} 114798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 1148bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 11520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1156d9ecd04e9c567113b4b605cf76681cbb37c093cdcristystatic const char * 11575dff435eceea4f80207a906b11e65aed48fe3f27glennrpMagick_ColorType_from_PNG_ColorType(const int ping_colortype) 11585dff435eceea4f80207a906b11e65aed48fe3f27glennrp{ 11595dff435eceea4f80207a906b11e65aed48fe3f27glennrp switch (ping_colortype) 11605dff435eceea4f80207a906b11e65aed48fe3f27glennrp { 11615dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 0: 11625dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Grayscale"; 11635dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11645dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 2: 11655dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Truecolor"; 11665dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11675dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 3: 11685dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Indexed"; 11695dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11705dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 4: 11715dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "GrayAlpha"; 11725dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11735dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 6: 11745dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "RGBA"; 11755dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11765dff435eceea4f80207a906b11e65aed48fe3f27glennrp default: 11775dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "UndefinedColorType"; 11785dff435eceea4f80207a906b11e65aed48fe3f27glennrp } 11795dff435eceea4f80207a906b11e65aed48fe3f27glennrp} 11805dff435eceea4f80207a906b11e65aed48fe3f27glennrp 11815dff435eceea4f80207a906b11e65aed48fe3f27glennrp 1182bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 11860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1189d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1307d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1308bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1330a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1338a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135103812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 135203812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1356e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1357e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1359d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1365d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 14253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1447f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14783b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 1479e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1480e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1508bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 15240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 15270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 15850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 16040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 16070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 16100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1611bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 16203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 16243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 16303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 16330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 16353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 16380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 16403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 16433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 16483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 16503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1651bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1653bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 165721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 165821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 16593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 166021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1662bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 16633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 16670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 16710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 16813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 16833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 16850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 16873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 16880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 16910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 16940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1706bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1707bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1708bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1709bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1727bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 17298182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 17308182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 17310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 17333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17418182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17438182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 174616ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 174716ea139d53d867211d3bb0fa859a83de653f687ecristy{ 174816ea139d53d867211d3bb0fa859a83de653f687ecristy Image 174916ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 175016ea139d53d867211d3bb0fa859a83de653f687ecristy 175116ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 175216ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 175316ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 175416ea139d53d867211d3bb0fa859a83de653f687ecristy 1755cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 175716ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 175816ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 175916ea139d53d867211d3bb0fa859a83de653f687ecristy 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 17613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 176316ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 176416ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 17650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 176616ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 176716ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 176816ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1769c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 177016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 177116ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 177216ea139d53d867211d3bb0fa859a83de653f687ecristy 177316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 177416ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 17750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1776e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 17778371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 17788371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 17798371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1781faa852bad40107edae19405e76a299057668d795glennrp#else 1782faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1783faa852bad40107edae19405e76a299057668d795glennrp#endif 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1786cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 178816ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 178916ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 179016ea139d53d867211d3bb0fa859a83de653f687ecristy 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 17923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 179416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 179516ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 179616ea139d53d867211d3bb0fa859a83de653f687ecristy 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 17990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 180016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 180116ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 180216ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 180316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 180416ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 18050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 180616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 18083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1811a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 1812a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_alloc_size_t size) 1813a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 1814a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_size_t size) 1815a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1817df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1824cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 18263bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1837edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrpMagick_png_read_raw_profile(png_struct *ping,Image *image, 1838edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp const ImageInfo *image_info, png_textp text,int ii,ExceptionInfo *exception) 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1840bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 18413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18560c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 18573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 18603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1873f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 18740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 187597f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 187697f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 187797f90e23c85b9c58387880125c29d8c99126f83aglennrp 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1884edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping,"invalid profile length"); 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18888723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 18890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1892edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "unable to copy profile"); 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 18990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1900bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1906edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ran out of profile data"); 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 19113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 19150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 192216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 19240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 19270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 19293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 19303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 19323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 19333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 19393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 19403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 19413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 19483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 19543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 19553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 19573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 19603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1961bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 19623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 19630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1964bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 19833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 19993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 20103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 20113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2012cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tIME chunk into the date:modify property */ 2013cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 2014cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 201998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent, /* "PNG Rendering intent", which is ICC intent + 1 */ 2020cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 20224eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 20233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 2024913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors, 2025faa852bad40107edae19405e76a299057668d795glennrp pass, 2026faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 2027faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 2028fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth, 2029faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 2030faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 2031faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 20324eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 20334eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 20344eb3931feb349dd87142c78503b779228f3e1a0fglennrp 20354eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 20364eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 20394383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 204098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 204198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 204298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 204398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 204616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 204716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 204816ea139d53d867211d3bb0fa859a83de653f687ecristy 204916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 205016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 205116ea139d53d867211d3bb0fa859a83de653f687ecristy 2052faa852bad40107edae19405e76a299057668d795glennrp png_bytep 2053faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 2054faa852bad40107edae19405e76a299057668d795glennrp 2055faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 2056faa852bad40107edae19405e76a299057668d795glennrp ping_background, 2057faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 2058faa852bad40107edae19405e76a299057668d795glennrp 20593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 20603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 20623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 20653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 20673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 20683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2069faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 2070faa852bad40107edae19405e76a299057668d795glennrp ping_height, 2071faa852bad40107edae19405e76a299057668d795glennrp ping_width, 20724eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 20734eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 2074faa852bad40107edae19405e76a299057668d795glennrp 207516ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 207616ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 207716ea139d53d867211d3bb0fa859a83de653f687ecristy 2078bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 2079756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 20833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 20843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2085bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 20863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 20873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 20883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 208916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 209339992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2096eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2097eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2098eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 209975fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 210075fc68f33e6e766a22e8ed653c3ed50b0d142827cristy *volatile ping_pixels; 210155b78b53f1e013e0af19565ac04aaa7660d53795cristy 2102629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 21033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 21043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 21063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 21073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 21083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 21093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 21103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2111629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2112629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2113629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2114629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2115629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2116629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 21173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 21183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 21203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 2121fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOnePNGImage()"); 21223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 212325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 21243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 21253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 21263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 21273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 212961b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 213061b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 213161b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 213261b4c957269727a0a2526edc2331881da8346100glennrp { 213361b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 213461b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 213561b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 213661b4c957269727a0a2526edc2331881da8346100glennrp } 213761b4c957269727a0a2526edc2331881da8346100glennrp# endif 213861b4c957269727a0a2526edc2331881da8346100glennrp#endif 213961b4c957269727a0a2526edc2331881da8346100glennrp 214016ea139d53d867211d3bb0fa859a83de653f687ecristy 214116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2144a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 214598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2146a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21478a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%d",(int) image->alpha_trait); 2148a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 214998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 215098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " image->rendering_intent=%d",(int) image->rendering_intent); 2151e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2152e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 2153e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp " image->colorspace=%d",(int) image->colorspace); 215498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 215598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 215698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21570e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21580e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21590e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21600e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 216116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21620e319739731741c52a6303723e0c8678a0df5579glennrp 2163913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2164cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21654eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2166cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2167cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 216898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 216998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 217098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 217198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 217298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 217716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 217816ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 217916ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2180cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2181cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 218316ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2184cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 22003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2205cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 22060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2207faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2213edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2214edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 2215cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2217edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2218edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (ping_pixels != (unsigned char *) NULL) 2219edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 2220edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 22240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 22267b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 222716ea139d53d867211d3bb0fa859a83de653f687ecristy InheritException(exception,exception); 22287b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 22297b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 22300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2233edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2234edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2235edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2236edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2237edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2238edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2239edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 2240edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2241edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2242edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2246faa852bad40107edae19405e76a299057668d795glennrp 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22829bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 22839bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 22849bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 22859bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 22869bf97b6c2143eb20c330346b01e82102cc082725glennrp 2287991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2288991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2289991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 22973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2303991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2307faa852bad40107edae19405e76a299057668d795glennrp 2308faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2309faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2310faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2311faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2312faa852bad40107edae19405e76a299057668d795glennrp 2313fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2314fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 2315faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2316faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2317faa852bad40107edae19405e76a299057668d795glennrp 2318faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2319faa852bad40107edae19405e76a299057668d795glennrp 2320faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2322fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2323fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2325faa852bad40107edae19405e76a299057668d795glennrp 2326faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2328faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 232998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2330176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2331176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2332176b29a003f11fd934137871d574995319408665cristy { 2333176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 233498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2335176b29a003f11fd934137871d574995319408665cristy image->gamma=1.000; 2336176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2337176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2338176b29a003f11fd934137871d574995319408665cristy } 233998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2343e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 2344e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 23450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 2348faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 23490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 2352faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 23530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 2356faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 23573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 235998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 236098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 236198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 236298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 236398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 236498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 236598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 236698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 236798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 236898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 236998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 237098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 237198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 237298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 237398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 237498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 237598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 237698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 237798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP=MagickTrue; 237898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 237998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 238098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG iCCP chunk."); 238198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 238298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 238398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_sRGB)) 238498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 238598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB=MagickTrue; 238698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 238798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 238898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG sRGB chunk."); 238998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 239098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2391faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2392faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 23953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 23963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2397e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2398e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2399e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2400e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2401e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2402e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2403e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2404e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2422e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2423e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2424edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2425edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ICC profile is NULL"); 2426edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp profile=DestroyStringInfo(profile); 2427edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2428edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2429edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2430edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (void) SetImageProfile(image,"icc",profile,exception); 2431edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp profile=DestroyStringInfo(profile); 2432edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 24333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 24363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 24373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 24392ea7a8e883de7623d345f32f90ee99248a4a867ecristy { 24402ea7a8e883de7623d345f32f90ee99248a4a867ecristy image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 24412ea7a8e883de7623d345f32f90ee99248a4a867ecristy (mng_info->global_srgb_intent); 24422ea7a8e883de7623d345f32f90ee99248a4a867ecristy } 24430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 24453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2446cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 2447cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (intent); 24480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2451e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 24523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 24553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2456faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2457faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2458faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 24590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 24613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 24663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 246898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2469faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2470faa852bad40107edae19405e76a299057668d795glennrp { 2471faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2472faa852bad40107edae19405e76a299057668d795glennrp { 2473faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2474faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2475faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2476faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2477faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2478faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2479faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2480faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2481faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2482faa852bad40107edae19405e76a299057668d795glennrp } 2483faa852bad40107edae19405e76a299057668d795glennrp } 24840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2485faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 24863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 24883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 24893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 24903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 24913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 24923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 24933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 24943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 24953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 24960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2499e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 25003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2501e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 2502cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 2503cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->rendering_intent)); 2504da7803d6b1161960bc1e7db4d9718284c116fab8cristy png_set_gAMA(ping,ping_info,1.000f/2.200f); 2505faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 2506faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 2507faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 25083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2510faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 25113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2512905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2513905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 25140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 25173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2518e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2519e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 25203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 25223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2523faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2524faa852bad40107edae19405e76a299057668d795glennrp { 2525faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2526faa852bad40107edae19405e76a299057668d795glennrp { 2527faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2528faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2529faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2530faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2531faa852bad40107edae19405e76a299057668d795glennrp } 2532faa852bad40107edae19405e76a299057668d795glennrp } 2533faa852bad40107edae19405e76a299057668d795glennrp 2534faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 25383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 25393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 25400881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 254116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 254216ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 25430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 254716ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 254816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2553e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2554e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2557823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2558faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 25613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 25623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 25640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2566faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 25673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 25720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2573faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2574edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2577edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2578edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2580edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2581edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2582edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2583edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2584edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2585edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2586bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 25893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2591faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 25953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 25993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2600faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2601faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 26020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 26050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 26080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 26110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2620edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2624bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2625faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2626faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 26280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2629faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 26303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2631bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2632bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2633bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 26363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 26400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2641bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp /* Scale background components to 16-bit, then scale 2642bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2643bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 2644bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2645bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2646bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 2647bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green,ping_background->blue); 26482cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2649bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 26500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2651fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2652bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 26530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2654fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2655bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 26560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2657fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2658bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 26590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2660fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2661bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 26622cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2663bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2664bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2665bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 26662cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2667bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2668bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 26692cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26702cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 26710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26722cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26732cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 26742cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 2675bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 26762cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2677bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2678faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 26790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2680bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2681faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 26820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2683bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2684bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 26850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 268616ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 26872cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2688bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2689bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2690bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2691bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2692bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2693bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2695bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2696a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2697faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2700a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 270535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 270635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 270735ef824baa82511126ff0072ae30eee0da9c05a3cristy 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2712fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2714faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2715faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2716faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2717faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2718faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2719faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2725faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 27268a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2730a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2731a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2732a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2733fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2734a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2735a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2736a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2737a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2738a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 273916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 274005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2741faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 27423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27430f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 27440f111984738842d27d04aed2a3f823d82a943506glennrp { 27450f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27460f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 27470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27480f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 274916ea139d53d867211d3bb0fa859a83de653f687ecristy " scaled graylevel is %.20g.",transparent_color.alpha); 27500f111984738842d27d04aed2a3f823d82a943506glennrp } 275116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 275216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 275316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2760faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 27623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2765faa852bad40107edae19405e76a299057668d795glennrp 27663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2767faa852bad40107edae19405e76a299057668d795glennrp 2768faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2769faa852bad40107edae19405e76a299057668d795glennrp 27703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2774bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 27753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 27783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2779faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2780faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 27823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 27833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 27883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2791faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2792faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2793a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 279416ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 279516ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 27968d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 2797e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp if ((!png_get_valid(ping,ping_info,PNG_INFO_gAMA) || 2798e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp image->gamma == 1.0) && 27998d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp !png_get_valid(ping,ping_info,PNG_INFO_cHRM) && 28008d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp !png_get_valid(ping,ping_info,PNG_INFO_sRGB)) 28018d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 28028d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp /* Set image->gamma to 1.0, image->rendering_intent to Undefined, 2803e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 28048d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 28058d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 28068d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 28078d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2808e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2809e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 2810e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp " image->colorspace=%d",(int) image->colorspace); 2811a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2812faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 281332340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 281432340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 28153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2816befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2817befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2818befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 28193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2820befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2821fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 28223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 28233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 282467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 282567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 282667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 282767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 28283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2829faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 28303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 28323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 28333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2835bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 28360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 28403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 28473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 284816ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 2849edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 28500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2851faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 28523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 28553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 28570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28586af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 28593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 28623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28646af6cf1a950b111ad0ac706269a703086693ba71glennrp 286567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 28666af6cf1a950b111ad0ac706269a703086693ba71glennrp { 28676af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 28686af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 28696af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 28706af6cf1a950b111ad0ac706269a703086693ba71glennrp } 28713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2875bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 28763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2878fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale=(QuantumRange/((1UL << ping_file_depth)-1)); 28790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 28813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 28820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2883bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 28843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 28863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 28873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 28883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2891147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2892cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 2893cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 2894147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 2895147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 2896147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2897fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 2898147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 2899147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 29003b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 29017cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 290216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.width,height ",msg,exception); 2903147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2904fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_file_depth); 290516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.bit_depth ",msg,exception); 2906147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 29075dff435eceea4f80207a906b11e65aed48fe3f27glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (%s)", 29085dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 29095dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 291016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.color_type ",msg,exception); 2911147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2912913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 2913913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 2914913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Not interlaced)", 2915913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 2916913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 2917913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 2918913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 2919913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Adam7 method)", 2920913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 2921913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 2922913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 2923913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 2924913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Unknown method)", 2925913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 2926913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 2927913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 2928913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 2929913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 2930913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 2931913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d", 2932913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 2933913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:PLTE.number_colors ",msg, 2934913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 2935913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 2936cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 2937147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 29403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 29430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29440ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2945347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2946347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 29473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29481b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 29491b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 29501b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 29511b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 29523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2954e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 29553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 29563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2957edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2958edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 2959cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 29603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2961edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 29623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 29650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 29720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2974cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2975cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_rowbytes*sizeof(*ping_pixels)); 29760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2978cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 2979cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 29800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2981cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 2982edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 29830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 29873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 299016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=AcquireQuantumInfo(image_info,image); 299116ea139d53d867211d3bb0fa859a83de653f687ecristy 299216ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 2993edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 29940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2995c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2996c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2997c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2998c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2999c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3000c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3001c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3004c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3005c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3006c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3007c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3008c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 30098a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3010c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3011c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3012b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 30130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3014c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3015c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3016c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3017c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 30180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3019c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3020c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 30210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3022cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3023c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3024c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3025c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3026c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3027862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 302916ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3030c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 30310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 303216ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 303316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 303416ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 30350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 303616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 303716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 303816ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 30390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304016ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 304116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 304216ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 30430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304416ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 304516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 304616ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 30470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304816ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 304916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 305016ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 30513faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3052c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3053c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3054c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3055a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3056a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3057a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3058a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3059c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3060c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 30615aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 30625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 306316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3064c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3065a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3066a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3067a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3068a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3069c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3070c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3071c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 30724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 30734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 307416ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 307516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 307616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 307716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 307816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 307916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 30804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3081a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3082a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3083a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 30844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 30854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 30864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 308716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3088c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3089c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 30900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3091c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 3092c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3093c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 3094c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 30950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3096c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3097c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3098c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3099c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3100c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3101c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 31020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3103c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 31047a287bfadeadea12e47c2376ca78a5d101687142cristy { 3105c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 31067a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 31077a287bfadeadea12e47c2376ca78a5d101687142cristy break; 31087a287bfadeadea12e47c2376ca78a5d101687142cristy } 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3113c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3125c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3126c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3127c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 312816ea139d53d867211d3bb0fa859a83de653f687ecristy 31298a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3130b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3133b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3134b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 31350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3137edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3139bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3142faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3143c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3146c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3147cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3148c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3149c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3150c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3151c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 31523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 31530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 315416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3157cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3159c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3160faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3164faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3165bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3167a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 316816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) *p++),q); 316916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 31700b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 317116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3175bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3176a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 31770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 318047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 31823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3183bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3184a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3185c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 318658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp size_t 318758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 318858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 318958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3190c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 319158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 319258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3193c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 319458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 319558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3196c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 319758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 31980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3199faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3201c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3202c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3203c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3204c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3205c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3206c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 320716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum(quantum),q); 320816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 320958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 321016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 321158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 321258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 321358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 321458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 321558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 321647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 321758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 321858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 321916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 322016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 32210b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 322258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 322316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3226a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 322747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 323047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 32323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32343faa9a3fb01696daaf976d595f492cb530bffb21glennrp 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 32373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 32390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 324016ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 324116ea139d53d867211d3bb0fa859a83de653f687ecristy 324216ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 324316ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3244bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 324516ea139d53d867211d3bb0fa859a83de653f687ecristy { 324616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 324716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 324816ea139d53d867211d3bb0fa859a83de653f687ecristy } 32490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32537a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 32547a287bfadeadea12e47c2376ca78a5d101687142cristy { 3255cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 32569fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 325747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32587a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32597a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32607a287bfadeadea12e47c2376ca78a5d101687142cristy } 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3262c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32637a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 326647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3270c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3273c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3274b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3275b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3276c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3278c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3279c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3280c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3281c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3282c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 32835aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 32845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3286bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 32875aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 32885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3289c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3290c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3291c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 329216ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 329316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 329416ea139d53d867211d3bb0fa859a83de653f687ecristy 32955c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 32965c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3297b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3298b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 32995c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3300b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 33018a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 330216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3303b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 33045c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 330547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33064eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3309bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3312cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 331416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3315edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 3316cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 332347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3324faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 33273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 33313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 33338a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3334c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33353c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3336c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 33380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3340c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 33410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 33420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33438a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 334416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 334516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 33460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3347c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 334847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 33500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 33520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 335416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 33550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33568a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 335716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 33580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 33590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 33600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 336116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 33620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 336347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3364a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3365a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3366a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 33670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 33680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 33700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 33720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3373c11cf6a442f3046940608a5743a68cc891deb13eglennrp 337416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3376c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3378a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3379a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3380a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 33810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 33820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 338316ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 338416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 338516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 338616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 338716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 338816ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 33894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 339016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 33914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 33920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 339367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 33940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 33954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 339616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 33974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3398a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 33990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 340016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 34020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 34040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3405c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 34060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3407a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3408c11cf6a442f3046940608a5743a68cc891deb13eglennrp 34093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34113c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3412eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 34134eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34144eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3415a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3416a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 34174eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3418a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3419a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34214eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 34224eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 34234eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34244eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 34250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34264eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 34274eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34284eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 34290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34304eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (memcmp(text[i].key, "Raw profile type ",17) == 0) 34314eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3432edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 3433edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) i,exception); 34344eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_raw_profiles++; 34354eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34364eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34374eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 34384eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34394eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 34404eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 34414eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34424eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 34434eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 34444eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 34454eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 34464eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3447edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 34484eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 34494eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34504eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 34514eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 34524eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34534eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 34544eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 34554eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 34564eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 34574eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 34584eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 345916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34614eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34634eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34644eb3931feb349dd87142c78503b779228f3e1a0fglennrp " length: %lu",(unsigned long) length); 34654eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34664eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Keyword: %s",text[i].key); 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34694eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 347097f90e23c85b9c58387880125c29d8c99126f83aglennrp } 34714eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34724eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total += num_text; 34733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34743c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 34763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 34803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 348773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 34880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 349547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3500edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 35010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3503edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 35120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 351416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 35180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3520edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 35210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3522faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 35240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3525faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3526faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3527faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3528faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3529faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3530faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3531faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3532faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 35330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3534faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 35353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 35433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 35443c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 35463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 355047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 35533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35560a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 35578a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 35580a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 35590a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 35600a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 35618a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 35620a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 35630a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3564b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 35650a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3566cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3567cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3568cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3569cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3570cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 35714eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3572cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3573cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 35743b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3575613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 357616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text ",msg, 357716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3578cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3579cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3580cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3581cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 35823b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3583cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 358416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 358516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3586cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3587cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 358898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 35895961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 35903b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 35915961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 359216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:cHRM ",msg, 359316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35945961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3595cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3596cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 35975961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 35983b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 35995961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 360016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:bKGD ",msg, 360116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36025961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 36035961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 36043b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 36055961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3606cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 360798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 360898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 360916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:iCCP ",msg, 361016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 361198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3612cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36134eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 361416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:tRNS ",msg, 361516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36164eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36174eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 361898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 36194eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36203b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 362198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 362298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 362398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 362416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:sRGB ",msg, 362598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 36264eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36274eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 36284eb3931feb349dd87142c78503b779228f3e1a0fglennrp 362998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 36304eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36313b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 363216ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 363316ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 363416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:gAMA ",msg, 363516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36364eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3637cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36384eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3639cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 36404eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36413b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 364207523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 36434eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 364416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:pHYs ",msg, 364516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36464eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36474eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3648cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36494eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 36504eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36523b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 365416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:oFFs ",msg, 365516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36574eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp 365907523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 366007523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 366107523c7d2e40370804c2036295571e4b6426f94dglennrp { 36623b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 366307523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 366407523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 366516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:vpAg ",msg, 366616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 366707523c7d2e40370804c2036295571e4b6426f94dglennrp } 3668cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3669cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3675cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 36800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3681edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 3682edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3683edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3684edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3685edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3686edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3687edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3688edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 370121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 370221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 371947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 372347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3726fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 372716ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 37293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 373047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 373347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 373847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3739dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 374147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 374673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 374747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 375047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 376147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 37680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 37760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 377947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 378147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 37870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 379047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 379172715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 3792a8036d6466b63ead629795b60772f160cca77c4cglennrp ((image->gamma < .45) || (image->gamma > .46))) 379372715f5c299a6482f8eb175070b056d77b74a43fcristy SetImageColorspace(image,RGBColorspace,exception); 379472715f5c299a6482f8eb175070b056d77b74a43fcristy 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 37963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 379716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 37988a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 380216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 38030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 380597f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 380697f90e23c85b9c58387880125c29d8c99126f83aglennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 380797f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.width,(double) image->page.height, 380897f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.x,(double) image->page.y); 380997f90e23c85b9c58387880125c29d8c99126f83aglennrp 381097f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 38120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 38253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 38313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 38363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 38433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 38453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 38473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 38513ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 38533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 38543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 38553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 38563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 38573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 38583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 38623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38644383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 38654383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 38664383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3867bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 388716ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3890bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 389416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3905bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 3919fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 39220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 392316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 39310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 393216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 39330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 39640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 39670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3975e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3976e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 39800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 398347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 39870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3991bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 39930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 399647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 400347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4011bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 4013bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 401947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 402247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 40263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 402747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4031f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 403247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4034f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 403547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 403847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 404247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 404647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 405047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 405447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 405847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 406247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 406847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 407147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 408773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 408847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 409147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 409316ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 40940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 41010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 41050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 411273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 41130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 411816ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 41190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 41300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 41340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 41460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 41490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 415203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 416947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 417647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 417947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 418847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4196bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 419803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 421347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 42330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 42638182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 42640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42738182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 42748182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 42758182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 42768182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 42778182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 42788182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 42798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 42808182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 428247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4291e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4292cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4293da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 430347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43125eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 43135eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 43140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 432147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 433216ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 433316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 433716ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 433816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 43393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4349fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 438516ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 439147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 43950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43963b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 43980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 44010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 44150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 44180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4419bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 442116ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 442316ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 442416ea139d53d867211d3bb0fa859a83de653f687ecristy { 442516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 442616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 442716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 442816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 442916ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 443016ea139d53d867211d3bb0fa859a83de653f687ecristy } 443147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 44370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 444803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 44540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 445716ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44593b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 44630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4465bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 446816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 447047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44718a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 447216ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 447316ea139d53d867211d3bb0fa859a83de653f687ecristy { 447416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 447516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 447616ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 447716ea139d53d867211d3bb0fa859a83de653f687ecristy } 44780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 448016ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 448216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 448316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 44848a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 448516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 448616ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 450047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 450147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 45090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 45110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 45120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 45150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 45170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 45180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 45230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 45280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 45320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 457421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 457521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4595fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 459616ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 45990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 46050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 460647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 460747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 460947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46103b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 46120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 461347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 461447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 461673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 46170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 46200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 462147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 462247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 46300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 46420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 464647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 46520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 46580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 46663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46724383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 467321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 467421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 46754383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4682bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 470016ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4707bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4730bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 473938ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 474038ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 474138ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4742bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 476447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 476547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4771fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 477216ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 47750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 478247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 478347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 478447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 478573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 47860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 47890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 479047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 479147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 480147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 480547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 480647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4809bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4810bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 481447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4857e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4858e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 48620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 48680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 487247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 487547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4876bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 487847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 48880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 489016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 48920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 48990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 490116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 49030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 490847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 49130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 49200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4926bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 49280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4929bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 49310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4935e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4937e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 49418182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 49420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 49450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 49490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 49520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 49568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 49600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 49630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 49660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 497116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 497347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 497416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 49750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 49780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 49860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49873b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 4988e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4989f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 49900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4992bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4994bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 49960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 49990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 50120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50158182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 50168182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 50170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 50200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 50290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5031e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 50320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5034e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 504316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 50480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 505016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5057edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 506016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 506916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 50770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 50800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 50870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 50880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 50900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 50910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5095e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 5096f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 50970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5099e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 5100f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 51100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 51170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 51220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 51250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 51280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 51400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 51430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 51480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 51510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 51540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 515516ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 516647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 516947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 517047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 51760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5177bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 518435ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 51990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 520347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5209bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 521612560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5224bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52278182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 52340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 524147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 524247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 52468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 52478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 52498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 52518182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 52538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 52558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 52578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 526247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 526647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5274e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5275cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 528047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 528447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5287fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 52883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 529447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 529747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 530116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 53040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 53070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 531147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 53150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 53190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 532247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 532347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 532547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5326bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 532847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 533047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5331bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 534247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 53468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 53470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53488182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 53498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 53500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5351bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5352bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 53530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 53560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 53580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5361e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 536347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5366bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5367bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 53680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5369bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5370bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 53710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5372bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5373bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 53740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 53770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 53790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5382e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 538447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 53900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5394e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5395e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 539647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 54040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5405bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 54070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5408bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5416e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5417e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 54180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 542247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 542316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 542516ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 542647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 543347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54568a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 545816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 54590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5463e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5464e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 54743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 548147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 551747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 551847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5527bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5530bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 554247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5545bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 554947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 555047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5553bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 557047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5577bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 55793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 558047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 558147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 55828182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 55830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5586e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5587e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 55880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 55910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 560247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 560647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 561847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 56250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5629e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5630f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 563147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 56360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 564147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 565947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 566347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 566716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 567047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 567347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 56900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 56930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 56960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 570316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 570747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 571347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 571947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 572247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 572847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 573147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 573747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 574047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 574647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 574947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 575547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 575847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 576447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 576747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 577347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 577747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 578116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 578547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 580447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 580816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 581147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 581447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 581816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 582147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 582447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 582947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 58458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 58478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 585816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 586047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 586647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 586816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 587147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5874bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5876bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 588447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 588747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 589047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 589347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 589647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 589947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 590247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 591047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 591347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 591647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 593147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 593847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 594147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 594747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 595547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 59578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5970bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5972bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 597416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 597916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 598047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 598747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 599147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 599847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 600147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 600247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 600347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 601216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6015e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6016e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 602716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 603216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 603347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 604047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 60450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 605547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 60648a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 606516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 60660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6070e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6071e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 607547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 607616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 608116ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 608247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 608947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 60950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 61070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 61160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 612247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 612647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 613147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6132bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 613347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 614547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 615847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 619147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 619447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 619647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 619747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 619947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62024e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 620347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 620647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 620947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 621147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 621247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 621447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 621847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 622147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 622347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 622447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 622647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62294e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 623047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 623347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 623647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 623847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 623947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 624147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 625116ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 625216ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 625316ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 625416ea139d53d867211d3bb0fa859a83de653f687ecristy 625516ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 625616ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 625716ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 625816ea139d53d867211d3bb0fa859a83de653f687ecristy 6259bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 626316ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 626716ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 626816ea139d53d867211d3bb0fa859a83de653f687ecristy x; 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 627047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 627147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 627547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 627616ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 627747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62933faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6301bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 630547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6306bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 630816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 630916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 631016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 631116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 631216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 631316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 631416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 631516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 631616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 631847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63278a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 632816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 632947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 633216ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 633316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 633447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 633747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 634047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 634347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6352e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6353bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 635516ea139d53d867211d3bb0fa859a83de653f687ecristy length=(size_t) image->columns*GetPixelChannels(image); 635616ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 635716ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 635847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 635916ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 636016ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 636747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 637047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6371bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6374bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 637547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6376bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6377bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 637847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6379bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6380bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 638147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6382bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 638447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6386bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 638747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 639147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6392bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 639847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 640116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6404bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 64089fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 640916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 641016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 641147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6412bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6414fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6423bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 642416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 642516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 642616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 642716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 642816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 642916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 643016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 643247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6436bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 643716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 643816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 643916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 644016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 644116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 644216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 644316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 644416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6445bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 644647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 645016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 645116ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 645216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6453bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 645416ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 645516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 645616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 645716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6458bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 645916ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 646016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 646116ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 646216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6463bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 646416ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 646547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64668a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 646716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 646816ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 646916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6470bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 647116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 647347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 647816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 647916ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 648116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 648216ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 648547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6490bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 649116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 649216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 649316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 649416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 649516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 649616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 649716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 649816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6499bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 650047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6502bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 650316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 650416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 650516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 650616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 650716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 650816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 650916ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6510bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 651147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 651416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 651516ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 651616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6517bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 651816ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 652116ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 652216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 652316ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 652547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 652847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 653147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 653216ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 653316ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6550e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6552bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 655416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 655816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 655916ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 656047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6562bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 656416ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 65657c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6566bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6567bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 656847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6569bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6570bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 657147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6572bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6573bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 657447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6575bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 657747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6579bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 658047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 658616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 658716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 658816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 658916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 659147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6595bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 659616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 659716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 659816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 659916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6600bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 660147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 660216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 660616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 660716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 660816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6609bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 661016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6611bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 661216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 661316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 661416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6615bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 661616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6617bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 661816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 661916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 662016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6621bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 662216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 66238a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 662416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 662516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 662616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6627bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 662816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 663047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 66323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6635bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 663616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 663716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6638bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6640bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 664116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 664216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6643bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 664647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6651bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 665216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 665316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 665416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 665516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6656bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 665747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6659bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 666016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 666116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 666216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 666316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6664bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 666547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 666916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 667016ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 667116ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6672bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 667316ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 667616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 667816ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 667916ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 668147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66853faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6691bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 669447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6695bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 669716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 669816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 669916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 670016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 670116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 670216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 670316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 670416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 670516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 670747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 67283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 674147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 67433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 67493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 67503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 67533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6757bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6758bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 676447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 677647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 67863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 678716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 67893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 67903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 68002b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 680116ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 68022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 68032b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 68042b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 68052b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 68062b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 68073faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 6808cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 6809cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 6810cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 6811cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 6812cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 6813cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 681416ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 68158640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6817d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6821bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6824d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6828d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 683047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 683247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 683647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 68383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 68470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 684816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 68493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 68523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 685316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 68543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 685847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 686247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 68693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 68703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 68713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 68748a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 68750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 687716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 68780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 68803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 68823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 68830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 68860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 68883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 68903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 68913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 689447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 689516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 68963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 689847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 69030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 690847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 690916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 69113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 69123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 691447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 69183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 692247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 692316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 692747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 69293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 693347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 693416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 693647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 693947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 69470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 69500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 69530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 695847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 69640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 69660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6969e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6970e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 69710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 697947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 698247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6984e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 698547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6990e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 69963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7002bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 70033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 70043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 700747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 700916ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 701047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 701347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 701647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 70203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 70213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 702547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 702847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 70303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 70363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 70373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 704547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 705547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 705847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7060e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7061e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 706247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7064f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7065f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 706647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7067f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7068e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7069e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7070f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7071f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 707247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 70743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 70753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 707647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 707947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 70813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 708225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 70853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 708747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 70893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 709047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 709347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 709825c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 71113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 71153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 71163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7121bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 71223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7124bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 71253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 71283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 71313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 71343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 71363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 713747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 71393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 714347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 715147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 71543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 715547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 71603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 716347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 71653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 716647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 717147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 71733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 717447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 717747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 718347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 71863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 718847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 71913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 719347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 719647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 720147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 720647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 721647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 722047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 722747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 723047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 723547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 724347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 724847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 725647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 726347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 727047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7271edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 7272cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_semaphore=AllocateSemaphoreInfo(); 727318b17443128598500357da7bff2f01683cf32890cristy#endif 727447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 72793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 730547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7306edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 7307cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 7308cf002022280cc4dedb2748ad6f415aac1d44f530glennrp DestroySemaphoreInfo(&ping_semaphore); 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 731325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 733216ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 733316ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 734116ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 73443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 73703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 73783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 73813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 73843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7391cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7398bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 74200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7423a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 7424a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7425a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7426a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7427a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 74303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7431a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 7432a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7433a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7434a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7435a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7436a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7437a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7438a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 74393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74503b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7451f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 745347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7454bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 74573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 74593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 74603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 746147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 74643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 74653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 74673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 746847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 74703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 747147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 74733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 74743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 74753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7477cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 74784383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 74793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 74803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 74813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 74823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 74843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 74853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 74883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 74903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 749247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 749347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 749447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 74953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 749647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 74983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7500cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 75013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 750247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 750347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 750447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 750547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 750647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 750747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7508cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7509cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7510cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 751147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 751247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 751347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 751447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 751547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 751647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 751747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7518cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 751947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 75203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 752147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 75233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 752447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 75263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7528b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7529b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 753116ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 753316ea139d53d867211d3bb0fa859a83de653f687ecristy Image 753416ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 753516ea139d53d867211d3bb0fa859a83de653f687ecristy 753616ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 753716ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 753816ea139d53d867211d3bb0fa859a83de653f687ecristy 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 75463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 75483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 75493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7552cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7553cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7554e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7555e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 75565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 755739992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 755839992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 75615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 75625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 75635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 75643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 75715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 75725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 75735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7574bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 757858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 757921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 758058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 758158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7582da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7583fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7584d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 75858d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 758639992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7587991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7588991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7589991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 759026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 759126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 759226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7593a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7594e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 759526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 759626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 759726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 759826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 759926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 760026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 760126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7602e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 760326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 760426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 760526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 760626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 76078d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 76080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 76090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 761082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 76118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7612d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7613d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 761816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 761916ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 762016ea139d53d867211d3bb0fa859a83de653f687ecristy 7621bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 762675fc68f33e6e766a22e8ed653c3ed50b0d142827cristy *volatile ping_pixels; 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7629f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 76300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 76315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 76325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 76335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 76345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 76355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 76365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7637bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 76385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 76395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7641bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 76443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7646dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7647fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7648f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 76498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 76508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 76518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7652dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7653dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7654dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7655dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7656dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7657dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7659fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 766116ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 766216ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 766316ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 766416ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7665b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 76665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 76670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 76685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 76695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 76705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 76715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 76725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 76735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 76745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 76755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 76765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 76775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 76785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 76795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 76805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 76815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 76825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 76835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 76845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7685dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 7686dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 7687dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 7688dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7689da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 7690d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 76918d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 769239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 7693991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 7694991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 7695991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 7696991d11dd9c33e65872778b81aff1347cd2878154glennrp 76970e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 76980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 7699a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 7700dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 77010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 77020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 77030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 77040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 77050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 77060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 77070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 7708dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 77090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 77100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 77110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 77120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 77138d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 77140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 77150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 77160d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 77170d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 77180d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 77190d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 77200d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 77210d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 77220d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB == MagickFalse) 77230d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77240d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 77250d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 77260d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77270d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 77280d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 77290d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77300d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 77310d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 77320d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77330d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 77340d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77350d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 77360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77370d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 773816ea139d53d867211d3bb0fa859a83de653f687ecristy (LocaleCompare(name,"ICM") == 0)) 773916ea139d53d867211d3bb0fa859a83de653f687ecristy { 7740ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 7741ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp icheck; 77420d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7743ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp /* 0: not a known sRGB profile 7744ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 1: HP-Microsoft sRGB v2 7745ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 2: ICC sRGB v4 perceptual 7746ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 3: ICC sRGB v2 perceptual no black-compensation 7747ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp */ 77480d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy png_uint_32 7749ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_crc[4] = {0, 0xf29e526dUL, 0xbbef7812UL, 0x427ebb21UL}, 7750ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_len[4] = {0, 3144, 60960, 3052}; 77510d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7752ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 7753ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 7754ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc; 775529a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7756ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 7757ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 77580d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7759ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 776029a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7761ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp for (icheck=3; icheck > 0; icheck--) 776229a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 7763ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (length == check_len[icheck]) 7764ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7765ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7766ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 7767ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 77680d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7769ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp data=GetStringInfoDatum(profile); 7770ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc=crc32(0,data,length); 77710d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7772ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7773e54cd4b9aa386137b617b4b7fc66436c70466007glennrp " with crc=%8x",(unsigned int) profile_crc); 7774ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 7775ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (profile_crc == check_crc[icheck]) 7776ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7777ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7778ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " It is sRGB."); 7779ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 7780ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp image->rendering_intent=PerceptualIntent; 7781ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 7782ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 778329a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 77840d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 7785ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (icheck == 0) 778629a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7787ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile", 778829a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 778929a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 77900d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77910d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 77920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 77968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 77978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 77988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7799fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7800fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7801fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 7802fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7803fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 7804fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 7805fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7806fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 7807fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 7808fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7809fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 7810fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 781128af3713c9111a471cc868c787760de89236fa3cglennrp 7812750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 78137e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 78147e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png_colortype != 0 && 78157e65e93c71716f2a5c03c0808adedae21d519fb2glennrp mng_info->write_png_colortype != 4))) 78167e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 781716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 78187e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 78197e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 78207e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 7821c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 782228af3713c9111a471cc868c787760de89236fa3cglennrp { 7823c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 7824c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 7825c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 7826c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 7827c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7828c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 7829e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 7830c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 7831c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 783228af3713c9111a471cc868c787760de89236fa3cglennrp } 7833bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78343d9f5ba107b160e1819bb6baeeb3a9f521e9f450cristy if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 783516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 78360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 78383241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 78393241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 78403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 78413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 784216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 78433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7844a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 7845a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 7846a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7847a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 7848a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7849a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 7850a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7851a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 7852a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7853a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 7854a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 78558e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 785667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < MAGICKCORE_QUANTUM_DEPTH) 785767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 785816ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 78598e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 78608e58efdecda887b08ef730d68290a61081ef2566glennrp 78618e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 78628e58efdecda887b08ef730d68290a61081ef2566glennrp { 78638e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 16 78648e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 16-bit */ 786591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->background_color); 78668e58efdecda887b08ef730d68290a61081ef2566glennrp 78678e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 78688e58efdecda887b08ef730d68290a61081ef2566glennrp { 786916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 78708e58efdecda887b08ef730d68290a61081ef2566glennrp 787116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 78728e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78738e58efdecda887b08ef730d68290a61081ef2566glennrp 78748e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 78758e58efdecda887b08ef730d68290a61081ef2566glennrp { 787616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PixelRGBA(r); 787716ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 78788e58efdecda887b08ef730d68290a61081ef2566glennrp } 7879bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78808e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 78818e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78828e58efdecda887b08ef730d68290a61081ef2566glennrp } 78838e58efdecda887b08ef730d68290a61081ef2566glennrp 78848e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 78858e58efdecda887b08ef730d68290a61081ef2566glennrp { 78863e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 78878e58efdecda887b08ef730d68290a61081ef2566glennrp { 788891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->colormap[i]); 78898e58efdecda887b08ef730d68290a61081ef2566glennrp } 78908e58efdecda887b08ef730d68290a61081ef2566glennrp } 78918e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 16 */ 78928e58efdecda887b08ef730d68290a61081ef2566glennrp } 78938e58efdecda887b08ef730d68290a61081ef2566glennrp 78948e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 4) 78958e58efdecda887b08ef730d68290a61081ef2566glennrp { 78968e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 8 78978e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 8-bit */ 789891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->background_color); 78998e58efdecda887b08ef730d68290a61081ef2566glennrp 79008e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79018e58efdecda887b08ef730d68290a61081ef2566glennrp { 790216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79038e58efdecda887b08ef730d68290a61081ef2566glennrp 790416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79058e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79068e58efdecda887b08ef730d68290a61081ef2566glennrp 79078e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79088e58efdecda887b08ef730d68290a61081ef2566glennrp { 790916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PixelRGBA(r); 791016ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79118e58efdecda887b08ef730d68290a61081ef2566glennrp } 7912bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79138e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79148e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79158e58efdecda887b08ef730d68290a61081ef2566glennrp } 79168e58efdecda887b08ef730d68290a61081ef2566glennrp 79178e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79188e58efdecda887b08ef730d68290a61081ef2566glennrp { 79193e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79208e58efdecda887b08ef730d68290a61081ef2566glennrp { 792191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->colormap[i]); 79228e58efdecda887b08ef730d68290a61081ef2566glennrp } 79238e58efdecda887b08ef730d68290a61081ef2566glennrp } 79248e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 8 */ 79258e58efdecda887b08ef730d68290a61081ef2566glennrp } 79268e58efdecda887b08ef730d68290a61081ef2566glennrp else 79278e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 2) 79288e58efdecda887b08ef730d68290a61081ef2566glennrp { 79298e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 793091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 79318e58efdecda887b08ef730d68290a61081ef2566glennrp 79328e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79338e58efdecda887b08ef730d68290a61081ef2566glennrp { 793416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79358e58efdecda887b08ef730d68290a61081ef2566glennrp 793616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79378e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79388e58efdecda887b08ef730d68290a61081ef2566glennrp 79398e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79408e58efdecda887b08ef730d68290a61081ef2566glennrp { 794116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 794216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79438e58efdecda887b08ef730d68290a61081ef2566glennrp } 7944bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79458e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79468e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79478e58efdecda887b08ef730d68290a61081ef2566glennrp } 79488e58efdecda887b08ef730d68290a61081ef2566glennrp 79498e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79508e58efdecda887b08ef730d68290a61081ef2566glennrp { 79513e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79528e58efdecda887b08ef730d68290a61081ef2566glennrp { 795391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 79548e58efdecda887b08ef730d68290a61081ef2566glennrp } 79558e58efdecda887b08ef730d68290a61081ef2566glennrp } 79568e58efdecda887b08ef730d68290a61081ef2566glennrp } 79578e58efdecda887b08ef730d68290a61081ef2566glennrp 79588e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 79598e58efdecda887b08ef730d68290a61081ef2566glennrp { 79608e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 796191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 79628e58efdecda887b08ef730d68290a61081ef2566glennrp 79638e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79648e58efdecda887b08ef730d68290a61081ef2566glennrp { 796516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79668e58efdecda887b08ef730d68290a61081ef2566glennrp 796716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79688e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79698e58efdecda887b08ef730d68290a61081ef2566glennrp 79708e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79718e58efdecda887b08ef730d68290a61081ef2566glennrp { 797216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 797316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79748e58efdecda887b08ef730d68290a61081ef2566glennrp } 7975bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79768e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79778e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79788e58efdecda887b08ef730d68290a61081ef2566glennrp } 79798e58efdecda887b08ef730d68290a61081ef2566glennrp 79808e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79818e58efdecda887b08ef730d68290a61081ef2566glennrp { 79823e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79838e58efdecda887b08ef730d68290a61081ef2566glennrp { 798491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 79858e58efdecda887b08ef730d68290a61081ef2566glennrp } 79868e58efdecda887b08ef730d68290a61081ef2566glennrp } 79878e58efdecda887b08ef730d68290a61081ef2566glennrp } 79888e58efdecda887b08ef730d68290a61081ef2566glennrp else 79898e58efdecda887b08ef730d68290a61081ef2566glennrp { 79908e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 799191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 79928e58efdecda887b08ef730d68290a61081ef2566glennrp 79938e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79948e58efdecda887b08ef730d68290a61081ef2566glennrp { 799516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79968e58efdecda887b08ef730d68290a61081ef2566glennrp 799716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79988e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79998e58efdecda887b08ef730d68290a61081ef2566glennrp 80008e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 80018e58efdecda887b08ef730d68290a61081ef2566glennrp { 800216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 800316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 80048e58efdecda887b08ef730d68290a61081ef2566glennrp } 8005bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 80068e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 80078e58efdecda887b08ef730d68290a61081ef2566glennrp break; 80088e58efdecda887b08ef730d68290a61081ef2566glennrp } 80098e58efdecda887b08ef730d68290a61081ef2566glennrp 80108e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 80118e58efdecda887b08ef730d68290a61081ef2566glennrp { 80123e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 80138e58efdecda887b08ef730d68290a61081ef2566glennrp { 801491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 80158e58efdecda887b08ef730d68290a61081ef2566glennrp } 80168e58efdecda887b08ef730d68290a61081ef2566glennrp } 80178e58efdecda887b08ef730d68290a61081ef2566glennrp } 8018cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8019cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 802067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 802167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 802270e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8023a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 80242b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 80252b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 80262b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 80272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 80288e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 80292b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 80302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 80312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80323faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8033cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8034cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8035cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8036cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8037cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8038cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8039c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 804016ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 80418640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 80428640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 80438640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8044a8036d6466b63ead629795b60772f160cca77c4cglennrp if (image->storage_class != PseudoClass && mng_info->write_png_colortype && 8045a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8046a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 8047a8036d6466b63ead629795b60772f160cca77c4cglennrp image->alpha_trait != BlendPixelTrait))) 8048a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8049a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8050a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8051a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8052a8036d6466b63ead629795b60772f160cca77c4cglennrp image_colors=image->colors; 8053a8036d6466b63ead629795b60772f160cca77c4cglennrp number_opaque = image->colors; 8054a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8055a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8056a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8057a8036d6466b63ead629795b60772f160cca77c4cglennrp else 8058a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickTrue; 8059a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_non_bw=MagickFalse; 8060a8036d6466b63ead629795b60772f160cca77c4cglennrp 8061a8036d6466b63ead629795b60772f160cca77c4cglennrp if (image->alpha_trait == BlendPixelTrait) 8062a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8063a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8064a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8065a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8066a8036d6466b63ead629795b60772f160cca77c4cglennrp 8067a8036d6466b63ead629795b60772f160cca77c4cglennrp else 8068a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8069a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 0; 8070a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 0; 8071a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8072a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8073a8036d6466b63ead629795b60772f160cca77c4cglennrp 8074a8036d6466b63ead629795b60772f160cca77c4cglennrp else 8075a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8076a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8077a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8078a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8079e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8080e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 80818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 80828ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 80838ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 80848ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8085c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 808682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 80878ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 808882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8089d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 809082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 80918ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8092d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8093a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8094d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8095d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8096d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8097d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8098d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8099d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8100d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8101d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8102d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 81038a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8104d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8105d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8106d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8107d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8108d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8109d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8110d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8111d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8112d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 81133c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8114d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8115d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 81168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 811716ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8118d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8119d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8120d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 81218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 812216ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 812316ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8124d6bf1617e99df0272b231855a933a74e99b6578fglennrp 812516ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 812616ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8127fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8128fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8129d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8130d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8131d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8132d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8133d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8134d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8135d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8136d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8137d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8138d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8139d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81408a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 814103812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8142d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 81433c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8144fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 81457ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 81467ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8147d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 81488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 814916ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 81502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8151d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 81527ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8153d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8154d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8155d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8156d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8157d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8158d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 815916ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 81607ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 81612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8162d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8163d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8164d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8165d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8166d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8167d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8168d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8169d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8170d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8171d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 817216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8173d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8174d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8175d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8177d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8178d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 817983c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8180d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 818116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 818216ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 81837ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 81848d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 81858d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81868d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8187d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81887ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8189d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8190fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8191fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8192fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 81932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8194d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8195d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8196d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 81977ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 819816ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8199d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 820097fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8201d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8202d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 82038a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait || 820416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 82058d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8206d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 82078d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8208d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8209d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 821016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 821116ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8212d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8213d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8214d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8215d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8216d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 821716ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8218d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8219d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8220d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 822116ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8222d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8223d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 822416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 822516ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8226d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82278d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 82288d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 822916ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 82308d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8231d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 82328d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8233d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8234d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 823516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 823616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 823716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 823816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 823916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 824016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 824116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 824216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8243972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8244d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8245d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8246d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8247d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8248d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 824916ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8250d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8251d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8252d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8253d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8254d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8255d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8256d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 825716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8258d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82598d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 82608d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8261d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8262d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8263d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8264d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8265d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8266d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 826716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8268d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8269d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82708d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8271d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8272d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 827316ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 827416ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 827516ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8276d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8277d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8278d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8279d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8280d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8281d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8282d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 828316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8284d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8285d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 828716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8288d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8289d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82903c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 82914054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 82924054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8293d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8294d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8295d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8296d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8297c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8298c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8299c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8300c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8301c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8302c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8303c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8304c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8305d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8306d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8307ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8308ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8309ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8310ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8311d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8312d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 831303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 83148e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8315c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8316388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8317c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8318c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8319c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8320c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8321c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8322c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 832303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8324a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8325a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8326a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8327d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8329d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 83303241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8331a080bc32a4a8b2ffec83fd836a28753959175363glennrp if (mng_info->write_png8 != MagickFalse && image_colors > 256) 8332a080bc32a4a8b2ffec83fd836a28753959175363glennrp { 8333a080bc32a4a8b2ffec83fd836a28753959175363glennrp /* No room for the background color; remove it. */ 8334a080bc32a4a8b2ffec83fd836a28753959175363glennrp number_opaque--; 8335a080bc32a4a8b2ffec83fd836a28753959175363glennrp image_colors--; 8336a080bc32a4a8b2ffec83fd836a28753959175363glennrp } 8337a080bc32a4a8b2ffec83fd836a28753959175363glennrp 8338d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8339d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8340d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8341d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8342d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 83433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8344d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8345d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8346d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8347d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83483241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 83498d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 83508d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 83518d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8352fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8353d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8354d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 83550fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 83560fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 83573fcfa950eeb4614ffea1dba94a68569bb4491dedglennrp if ((IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) && 83583fcfa950eeb4614ffea1dba94a68569bb4491dedglennrp (IssRGBColorspace(image->colorspace) == MagickFalse)) 83590fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 83607fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 83610fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 83620fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 83630fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8364d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8365d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8366d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8367d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8368d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83696185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 837016ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8371d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 83726185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8373e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8374e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8375e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 837616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 837716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8378e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8379e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8380e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8381e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8382e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 838316ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8384e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8385e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8386e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8387e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8388e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8389d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8390d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8391d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 83926185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8393d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8394d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8395d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8396d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 83976185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 839816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 839916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8400d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8401d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8402e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8403d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 840416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8406e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8408bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8409bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 84104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 841316ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8415bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8416d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8419d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8420d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8423d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8425d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 84273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 84303241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8433d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8435d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8437c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8438c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8439bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8441d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8443d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8445d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8447d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8453d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8454d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8455d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8456d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8457d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84623241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 84706185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8474d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 84752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8479d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 848216ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 84843faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 84853faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8487d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8488d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8489d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8490d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8491d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8492d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8493d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8495bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8498d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8499d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8500fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8501fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8502d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 850416ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85053c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 850616ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8507d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 85083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8510d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8511d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 851203812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 85138a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if ((image->alpha_trait != BlendPixelTrait || 851416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 851516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 851616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 851716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 85186185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 851916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8520d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 85216185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 852203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 852316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8524d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8527d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8528d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8530d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8531d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8532d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8533d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8534d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8535d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8536d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8537d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8538d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 854016ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 854183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8542d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854472988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8545d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8547d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8548d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8549d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8550d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8551d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 855216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85546185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 85556185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 85563c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8558d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8559d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 85623c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 85653c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8566d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8567d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8568d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8569d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 857003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8571d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8572d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8573d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 85746185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8577d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 85796185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8580d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8581d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8582d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8583a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8586d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8587a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8588d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8590d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8592d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8593d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8594d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 85956185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 859603812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 859703812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8598d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8600c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8601c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8602fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8603c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8604c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8605c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8606c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8607c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8608c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8609fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8610c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8611130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8612130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8613130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8614c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8615130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8616c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8617c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8618c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8619fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8620c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8621c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 862216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8623fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 862416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8625c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8626fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8627c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8628c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 862916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 86308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 863116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 863216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 86338ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 86348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 863516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 863616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8637c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8638bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8639c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8640c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8641fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8642c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8643c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8644c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 864516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 864616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 864716ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8648c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8649c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8650c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8651c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8652c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8653e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8654e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8655e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8656c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8657d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8658d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8659d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8660d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8661d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8662d337164012450d70d62e71cf4a308a29004f7d57glennrp 8663d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8664d337164012450d70d62e71cf4a308a29004f7d57glennrp 866591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8666d337164012450d70d62e71cf4a308a29004f7d57glennrp 8667d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8668d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8669d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8670d337164012450d70d62e71cf4a308a29004f7d57glennrp 8671d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8672d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8673d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8674d337164012450d70d62e71cf4a308a29004f7d57glennrp { 867516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8676d337164012450d70d62e71cf4a308a29004f7d57glennrp 867716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8678d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8679d337164012450d70d62e71cf4a308a29004f7d57glennrp 8680d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8681d337164012450d70d62e71cf4a308a29004f7d57glennrp { 868216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 868354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 868416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8685d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8686bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8687d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8688d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8689d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8690d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8691d337164012450d70d62e71cf4a308a29004f7d57glennrp 8692d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 8693d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 8694d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8695d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8696d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8697d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 86988e58efdecda887b08ef730d68290a61081ef2566glennrp 8699d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 8700d337164012450d70d62e71cf4a308a29004f7d57glennrp { 870191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 8702d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8703d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8704d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 8705d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8706d337164012450d70d62e71cf4a308a29004f7d57glennrp 870782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 870882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 870982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 871082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 871182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 871282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 871382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 871482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 871591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 871682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 871782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 871882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8719e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 872082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 872182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 872282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 872382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 872482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 872516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 872682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 872716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 872882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 872982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 873082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 873182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 873216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 873316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 873416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 873582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8736bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 873782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 873882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 873982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 874082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 874182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 874282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 874382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 874482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 874582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 874682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8747e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 874882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 874982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 875091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 875182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8752d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8753d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 875482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8755c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 87568ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8757c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8758c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8759c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8760c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 8761c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 87628ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 87638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 87643faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 87653faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 87663faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 87673faa9a3fb01696daaf976d595f492cb530bffb21glennrp 876891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 8769fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8770c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8771c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8772e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 8773fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8774c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 8775c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8776c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8777c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 877816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 87798d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 878016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8781c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8782c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8783c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8784c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 878516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 878654cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 878716ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8788c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8789bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8790c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8791c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8792c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8793c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8794c722dd852e8abe407c2846d39662f7ade9c234deglennrp 8795c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 8796c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 8797c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8798c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8799c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8800e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 8801c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 8802c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 880391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 8804c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8805c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8806c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8807c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8808c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 88098ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 88108ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 88118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88128ca51ad2da164dabc55b192ed7884b745fde0e26glennrp /* Take care of special case with 256 colors + 1 transparent 88138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 88148ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 88158ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 88168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 88178ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 88188ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 88198ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 88208ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 88228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8823bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 88258ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88268ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 88278ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 882816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8829bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 883016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 88318ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8832bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88338ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 88348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 883516ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 883616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 883716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 883816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 88398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 884016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 88418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 884216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 88438ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8844bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 88468ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8847bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88508ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 88518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 88528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 88548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88558ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 88568ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 88578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 88588ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88598ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 88608ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88618ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88628ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8864fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8865a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8866fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 8867fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8868fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 8869fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 8870fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 8871fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 88720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 88730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 88740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 8875d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 88760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 88770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 88780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 88790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 88800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 88810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 88820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 88838d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 8884d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 88850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 88860b206f5daa453dc1035db5890cabc899736dc2d0glennrp 88870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 88880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 8889fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 8890fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 8891fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 88925a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 88935a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 88945a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 8895fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 88965a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 88975a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 8898fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8899fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 8900fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8901fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 8902fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8903fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8904fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 8905fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 8906fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 890716ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 8908fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 8909fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8910fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 8911fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8912fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 8913fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 891416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8915fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8916fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8917fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 8918fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 891916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 892016ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 892116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 892216ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 892316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 892416ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 892516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 8926fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8927fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8928fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8929fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8930fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 893116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8932fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8933bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8934fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8935fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8936fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8937fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8938fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8939fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 894067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 894167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 894267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 8943fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 894467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 894567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 894667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 894767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 8948fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 894967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 895067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 8951fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8952fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8953bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8954fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8955fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8956fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8957fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8958fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 8959fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8960fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8961fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8962fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 8963fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8964fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8965fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8966fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8967fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 89683c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 89693c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 89703c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 89713c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 8972f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 8973b0a657e13c4aefba39c51292005427b47277869dcristy image_matte=image->alpha_trait == BlendPixelTrait ? MagickTrue : MagickFalse; 897483c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 89750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 89761273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp image_colors <= 256 && image->colormap != NULL; 89773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 897852a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 897952a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 898052a479ca718756af72f96e127f8256499ab68f76glennrp { 898116ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 898216ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 898316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 898415e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 898516ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 898652a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 898752a479ca718756af72f96e127f8256499ab68f76glennrp } 898852a479ca718756af72f96e127f8256499ab68f76glennrp 89893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 89913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 899316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 899416ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 899516ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 8996cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 8997cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 89980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 900016ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9001cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 90020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 90053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 90060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 90080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 90103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 90123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 90133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 9016cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 90173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 90193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 90223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 90253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 90263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9028edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 9029cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9031edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9032edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (ping_pixels != (unsigned char *) NULL) 9033edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 9034edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9035edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9036edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9037edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 903816ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 903916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 904016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 904116ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 90423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9044edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9045edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9046edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9047edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9048edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9049edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9050edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 9051edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9052edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9053edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 90543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 90563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90579bf97b6c2143eb20c330346b01e82102cc082725glennrp 90583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 90593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 906025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 90613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 906225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 906325024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 906425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 906525024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 906625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 906725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 906825024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 90692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 90742b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90772b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 90792b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90804e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 90814e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 90822b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 90843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 90850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 90873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 90880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 90903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 90913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 90920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 90943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 90950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 90973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 90980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9102e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 91033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9104e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 91053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91068a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 91073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91088640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 91093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91108640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91128640fb5e9b1094f35f8beab436f81661b8a99448glennrp 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 91145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9115dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 911626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 911826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 911926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 912016ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 91213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 91223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9124dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9125dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 91263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 91283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9129dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9130823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 913116ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9132823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 913316ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 91343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9135dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 91363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 91373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9138dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 913916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 914016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 91413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9142991d11dd9c33e65872778b81aff1347cd2878154glennrp 91433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 91443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9145dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 914616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 914716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9149991d11dd9c33e65872778b81aff1347cd2878154glennrp 9150823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9151823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9152823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9153823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9154823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9155991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 91563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 915726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 91583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9159a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 916026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 916126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9162a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 91633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9164a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9165a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9166a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9167a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9168a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9169a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 91700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9171a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9172a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 91730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9174a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9175a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 91760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9177a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9178a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 91790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9180a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9181a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 91820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9183a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9184a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 91850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9186a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9187a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9188c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9189c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 91900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 91910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 91933b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 91943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91953b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9196c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9197c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9198c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 91993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 92003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 92023b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 92030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 920526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 92063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 92093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 92113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 92120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92131273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 92143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9216fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 92170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 92180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 92208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 92218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 92220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 92240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 92250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 92260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 92270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 92290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9231f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 92320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 92340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 92350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 92360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 92370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 92380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 92390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 924067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 92410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 924267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 924367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 924467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 92450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 92463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 92482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 92498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 92508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 92518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 92525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 925358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 92548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 92560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 92570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 92580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 92598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 92603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 92628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 92630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92652cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 92668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 92670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 92690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 92700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 92728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 92738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92751273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 92764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 92771273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 92781273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 92791273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 92801273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 92814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 92824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 92834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 92840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9286c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9287c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9288c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9289c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9290c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9291c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9292c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 92934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 92943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 92950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92967e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png24 || mng_info->write_png_colortype == 3) 92973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 92995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93027e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png32 || mng_info->write_png_colortype == 7) 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 93110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 93133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 93150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 93175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 93183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 93208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 93218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 93227c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 93237c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 93247c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93257c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93287c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93323c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 93330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9334d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 93358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 93360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9337d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9343d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93495aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 93505aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 93515aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 93525aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 93537c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 93547c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (image_info->type == UndefinedType || 93557c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp image_info->type == OptimizeType)) 93563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93575aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 93588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 93595aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 93605aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93615aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 93625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 93635aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93650b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 93665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93675aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 93685aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 93695aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 93715aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 93725aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 93745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 93775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 93790b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 93805aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93815aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 93825aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 93835aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 93865aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 939026c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93918640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 939226c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 93935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 93940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 93950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 93960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 93970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 93980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 93990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9401d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9402d6bf1617e99df0272b231855a933a74e99b6578fglennrp 94035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94058a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait && ping_have_non_bw == MagickFalse) 94068d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 94073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94088640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 94103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 941135ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 94125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 94130f111984738842d27d04aed2a3f823d82a943506glennrp 94140f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 94150f111984738842d27d04aed2a3f823d82a943506glennrp { 94160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9417edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 94180f111984738842d27d04aed2a3f823d82a943506glennrp } 94190f111984738842d27d04aed2a3f823d82a943506glennrp 942035ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 94215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9422d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9424d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9425d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9426d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9427d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 94280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9429d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9430d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9431d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 94320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9433d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9434d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 94353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 94375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 94382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94421a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 94431a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 94441a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 94450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9447e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 94480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9450e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 94510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94533c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 94548640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 94558640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94568640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9457e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 946058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 94613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 94634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94647c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 94657c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 94667c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 94672b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94687c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 94697c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 94707c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 94712b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 94734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 94743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 94764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 94784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 94794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9480a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 94814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 94827c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 94837c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 94847c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 94854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 94884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9490bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 94913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 94930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 94954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 94960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 94984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 94990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 95014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 95020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 95044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 95050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 95074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 95080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 95104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 95110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 95134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 95140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 951616ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 95174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 95180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 95200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 95224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 95254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9527fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9528fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9529fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9530fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9531fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 95324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95332b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 95354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95367c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 95377c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 95380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 95404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 95424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 95434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 95444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 95454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 95494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 95513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 95535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 95545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 95555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 95563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95598640fb5e9b1094f35f8beab436f81661b8a99448glennrp 95603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95622e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 95633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 95640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 956539992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 95663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 95678d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 95688d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 95693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 957035ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 95710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 95739c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 95740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95757c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 95763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 95784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 95793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 95804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 95824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 95854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 95874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 95913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 95920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9593136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9594d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9595f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 95960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 95985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 95990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 96035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 96043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 96063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 96080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 960935ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9610bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 96115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 96123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96142b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 96160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 96173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 96201a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 96213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 96223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 96233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 96243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 96253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9626bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 96273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 96303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 96323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 96343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 96363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 96374bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 96383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 96393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96402b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 96429c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 96430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 96459c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 96460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 96489c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 96493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 965917a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 966017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 96613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 96623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 96653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 966858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 96693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96709c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 96710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96723b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 96739c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96749c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 96753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9679bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 96803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 96823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 96833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 96843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 96873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 968898156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 9689f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 96900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 969139992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 96923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 9695d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 96963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9697befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 9698befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 9699befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 97005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 9701befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 97020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 970316ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 97045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 97053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 97080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 970958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 97100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 9712d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 9713d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 97140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 97153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9716d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 9717d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 97183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 97200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 97210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9722d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 97230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 9724c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9725c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9726c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9727c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 9728c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9729d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 9730d6bf1617e99df0272b231855a933a74e99b6578fglennrp 9731d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 9732d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9733750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 973416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 9735d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 97423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9743c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 97443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 97453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 97460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 97504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 97534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 97544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 97554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 97564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 97574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 97585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 97595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 97605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 97615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 97624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 97634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 97644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 97674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 97684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 97694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 97704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97744383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 97754383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 97762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 97793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 97805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 97813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 97823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 97843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 97853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 978635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 978735ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 978835ef824baa82511126ff0072ae30eee0da9c05a3cristy 978922ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 979226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 97933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 979416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 979516ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 979616ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 979716ea139d53d867211d3bb0fa859a83de653f687ecristy 97983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97998f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 980016ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 980116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 980216ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 980316ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 98043b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 9805991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 980626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98083e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 98093e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98103e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 98113e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 98123e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 98139be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 98143e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 98153e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 98163e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 98173e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98183e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 982017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 982126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 982226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 98231273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 982417a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 982517a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 982617a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 982717a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 982817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 982917a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 983017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9831a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 9832a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 983317a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 983417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 983517a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 983617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 98373b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 98410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9842a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 984313d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 9844a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 98450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 98463b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 98473b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 98510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 98520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 98530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 98540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9855a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 985617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9857d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 98583c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 98593b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98603b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98613b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 98623c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 98633c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 986417a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 986526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 986617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98691a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 98701a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 98780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 98810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 98820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 98840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 98880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98894054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 98904054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 989110d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 989210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 989310d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 989410d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 989510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 989610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 989710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 989810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0: Use Z_HUFFMAN_ONLY strategy with the 989910d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 990010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 990110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 990210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 990310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 990410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 990510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 990610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 990710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 990810d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 990910d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 9910750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 991110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 991210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 991410d739ef54404090a55cb8977fc51f85cafa81a5glennrp a MNG, othewise "none". Did not work in IM-6.7.0-9 991510d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 991610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 8: Z_RLE strategy, all filters 99181868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 991910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 9: Z_RLE strategy, no PNG filters 99211868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 992210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992310d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 992410d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 992516ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 992616ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 992710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992810d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 992910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 99303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 99320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99331868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 99341868258559ddf946fa73ef72dd43507b32623705glennrp { 99351868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 99361868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 99371868258559ddf946fa73ef72dd43507b32623705glennrp } 9938750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 99391868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 99403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9944bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 99450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99461868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 99471868258559ddf946fa73ef72dd43507b32623705glennrp } 99480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99491868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 99501868258559ddf946fa73ef72dd43507b32623705glennrp { 99511868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 9952a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 9953a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 9954a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 9955a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 9956a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99591868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 99601868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 99611868258559ddf946fa73ef72dd43507b32623705glennrp 99621868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99641868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99661868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 99671868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 99680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99691868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 99701868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99711868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 99721868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 99730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99741868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99751868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99774054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 997810d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99791868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 99804054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 99814054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 99821868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99831868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 99841868258559ddf946fa73ef72dd43507b32623705glennrp else 99851868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99861868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 99871868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99901868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 99911868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 99920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99931868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 99941868258559ddf946fa73ef72dd43507b32623705glennrp { 99951868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 99961868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 99971868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 99981868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 99991868258559ddf946fa73ef72dd43507b32623705glennrp else 100001868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 100011868258559ddf946fa73ef72dd43507b32623705glennrp } 100024054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 100031868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 100041868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1000510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 100061868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 100071868258559ddf946fa73ef72dd43507b32623705glennrp { 100081868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 100091868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 100101868258559ddf946fa73ef72dd43507b32623705glennrp { 100111868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 100121868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 100131868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 100141868258559ddf946fa73ef72dd43507b32623705glennrp } 100151868258559ddf946fa73ef72dd43507b32623705glennrp#endif 100164054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 100171868258559ddf946fa73ef72dd43507b32623705glennrp } 100180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100191868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 100201868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 100210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100221868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 100231868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 100241868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 100250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100261868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 100271868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 100281868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 100292b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100300d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 100310d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 100320d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (image->rendering_intent == UndefinedIntent)) 100330d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 100340d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 100350d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 100360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10037c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10038c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10039c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10041c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 100420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10043c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10044c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10045c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10046c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10047c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1004826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10049c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10050c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10051c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 1005216ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10053e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10054c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10055e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10056e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10057e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10058c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10059c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1006026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 100610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10062c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10064c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10065c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10066cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10067c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10068c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10069c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10070c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10071c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 100720b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10073c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10074c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10075c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 100760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10077c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10078c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 100790d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 100833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 100845f11bf96e873e4051dcb4682ec3b225ff46c36aeglennrp (image->rendering_intent != UndefinedIntent)) 100853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1008626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1008726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1008826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1008926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1009026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1009126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1009226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1009326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 100940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1009526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10096cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10097cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 1009826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1010026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 101015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 101023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101042cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 101052cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1010626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1010726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 101133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 101173b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 101193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1012026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 1012226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1012426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1012526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1012626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1012726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1012826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 1012926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 1013026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1013126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1013226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1013326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1013426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1013526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1013626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1013726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1013826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1013926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1014026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1014126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1014226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1014326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1014426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1014526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1014626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1014726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1014826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1014926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10151dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 101525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 101533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 101553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101575d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 101583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10159d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 101603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 101628d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 101633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 101652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 101665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 101675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 101718d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 101725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 101733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 101760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 101775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 101795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10180991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 101810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 101823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 101860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 101870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 101890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 101900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 101923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101945d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth=%u, Computed depth=%u", 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 101965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 101973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 102003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102025d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type=%u, Computed color type=%u", 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 102045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 102083bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 102095d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy "Cannot write image with defined png:bit-depth or png:color-type."); 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102128a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image_matte != MagickFalse && image->alpha_trait != BlendPixelTrait) 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 10215b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait = BlendPixelTrait; 1021616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageAlpha(image,OpaqueAlpha,exception); 102170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10218b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 10219b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10220b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 102213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102230e319739731741c52a6303723e0c8678a0df5579glennrp if (number_transparent != 0 || number_semitransparent != 0) 10224e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 10225991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 10226c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10227991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 10228c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10229c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10230c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 10231c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10232e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 10233e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 102343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 102373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 102395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 102405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 102415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 102425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 1024339992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 1024439992b4dd9b12ef752d55b8e402c069698851f72glennrp { 10245f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 102460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102473b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 1024839992b4dd9b12ef752d55b8e402c069698851f72glennrp { 102498640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 102500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10251d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 102520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10253d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10254d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 102550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 102560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 102570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 10258d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 102590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 102600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 102610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10262d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 102630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 102640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 102650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 102660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 102670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 1026839992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1026939992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1027039992b4dd9b12ef752d55b8e402c069698851f72glennrp 1027126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1027226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1027326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10274c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1027526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 10276c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging) 10277c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10278c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10279c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10280c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10281c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10282c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10283c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10284c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10285c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10286c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10287c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10288c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10289c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10290c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1029126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10292991d11dd9c33e65872778b81aff1347cd2878154glennrp 1029326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10294dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1029526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1029626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1029726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1029826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1029926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1030026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10301823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 10302823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging) 10303823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10304823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10305823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10306823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10307823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10308823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10309823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10310823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10311823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10312823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10313823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10314823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10315823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1031626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10317dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10318dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10319dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 103204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10321dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1032226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1032326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1032426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1032526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10326dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1032726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1032826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1032926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1033026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1033126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10332dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10333dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10334dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10335da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10336da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1033716ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10338da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10339da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10340da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10341da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10342da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10343da8f3a7bfddac2680a3069a490db541e7944edafglennrp 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10345991d11dd9c33e65872778b81aff1347cd2878154glennrp 1034639992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10347991d11dd9c33e65872778b81aff1347cd2878154glennrp { 103483b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 103490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 103520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10353991d11dd9c33e65872778b81aff1347cd2878154glennrp 103540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 103550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 103560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 103570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 103580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10359991d11dd9c33e65872778b81aff1347cd2878154glennrp 103600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 103610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 103630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 103640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 103650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 103660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103673b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 103680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10370c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 103710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 103720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 103730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 103740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 103750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 103760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10377991d11dd9c33e65872778b81aff1347cd2878154glennrp 103783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10379cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10380da8f3a7bfddac2680a3069a490db541e7944edafglennrp 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10382991d11dd9c33e65872778b81aff1347cd2878154glennrp 103833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10384cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 103853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1038626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 103873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 103894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1039026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1039126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1039226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1039326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1039426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1039526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1039603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1039726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1039826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1039926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1040026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1040126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1040226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 104033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 104069c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 104073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 104089c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 104093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 104153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10417b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10418b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 104197202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 104203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10421b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10423b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10425b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10426b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10427b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10429b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 104303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10431b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10433b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10434b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104363b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 104373b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 104383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10439b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10440b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 104410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10442b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10443e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 104443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10445cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 10446cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 104470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10448cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 10449edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 104500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 104533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10454ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 10455ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10456edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 104573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 104583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 104593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 104608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 104628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 104638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 104643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 104658d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 104668d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 104673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1046916ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 104710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 104733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 104773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10478bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 104813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104823b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10483a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1048416ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 104850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1048616ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 104873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 104880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1049116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1049216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 104933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 104943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 104953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 104963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10498bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10499cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 105003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 105013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1050616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1050716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 105083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10511bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10512cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 105140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105153b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10516b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10517b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 105180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10519cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 105203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 1053458e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 105355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 105368d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1053816ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 105398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 105400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10544bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1054616ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 105472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1054816ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1055416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1055516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 105562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1055816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1055916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 105602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 105628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105652cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10567b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 105683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10569b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 105712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1057216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1057316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10574b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 105752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10577b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 105792cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10580cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 105848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 105858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 105868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 105878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 105888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1059416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 105958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 105960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 106008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 106018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 106028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10604b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10605862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 106062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1060716ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 106088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106092cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 106118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1061316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1061416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 106152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1061716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1061816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 106198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 106228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1062316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10624cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1062516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 106262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 106288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 106308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1063316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1063416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 106352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1063716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1063816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 106392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106403b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10641b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 106432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10644cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10645b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 106468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 106498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 106508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 106518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 106528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 106548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 106558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 106578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 106592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 106618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 106628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 106658640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 106668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 106678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 106692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1067016ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 106712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1067216ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 106738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1067644757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 106774bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 106784bf89731a90c6e03598950223e19e7be7b95d630glennrp 1067916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1068016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1068144757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 106822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 106848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 106868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 106882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1068916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10690cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1069116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 106928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 106958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1069616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1069716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 106982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106995eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 107005eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 107015eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107021a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 107035eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 107045eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107055eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 107065eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 107075eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 107088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 10709cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 107108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 107138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 107148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 107158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 107168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 107178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 107188640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10723b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 10724b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10729b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 107300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10732e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 107330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10735e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 107360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107405d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 107450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107495d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 107540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10759a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10761823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 107623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1076326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1076426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1076526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1076626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1076726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1076826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 107692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1077016ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 10771a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10772a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Don't write any "png:" properties; those are just for "identify" */ 10773a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(property,"png:",4) != 0 && 10774a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10775a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 10776a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 10777823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 10778a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 10779a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10780a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 10781a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 10782a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1078326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10784c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 10785c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10786a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 10787a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 10788a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 10789a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 10790a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 10791a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 10792a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 10793c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 10794c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 10795c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 107962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10797c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 10798c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 107992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10800c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 10801c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 108022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10803c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1080426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10805c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 10806c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 10807c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 10808c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1080926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 108102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10811c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 10812c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10813c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10814c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 10815c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10816c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10817c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " keyword: %s",text[0].key); 10818c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 10819c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10820c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 10821c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 10822c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1082326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1082426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1082526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 10829cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 108340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 108360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 108405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 108415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1085103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 108553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 108573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 108625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 108633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 108655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 10877edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 108780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10885cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1088716ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1088816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1088916ea139d53d867211d3bb0fa859a83de653f687ecristy 1089016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1089116ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1089216ea139d53d867211d3bb0fa859a83de653f687ecristy 10893b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 10894b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 10895b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 10896b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1089716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 10898b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 109020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10903edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 10904edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 10905edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 10906edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 10907edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 10908edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 10909edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 10910edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 10913edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 109183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 109223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 109263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 109313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1093416ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1093516ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 109403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1094316ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1094416ea139d53d867211d3bb0fa859a83de653f687ecristy% 109453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 109463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 109515d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109535a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 109545a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 109575a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 109585a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 10959e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 10960130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 10961130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 10962130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 10963e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 10964e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 10965e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 109665a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 109675a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 109695a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 109705a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 109715a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 109755a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 109765a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 109775a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 109785a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 109795a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 109823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 109840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 109855a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 109865a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 10991bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 10992bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 10993bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 109943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 109963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 109993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 110013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 110023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 110043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 110053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 110063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 110073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 110093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 110103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% If the image cannot be written without loss with the requested bit-depth 110125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% and color-type, a PNG file will not be written, and the encoder will 110135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% return MagickFalse. 110145a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 110153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 110185a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1101916ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 110203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 110273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 110283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 110293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 110313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11034bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11035bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11040bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11042bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110443241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 110450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11046d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 110470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 110480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 110490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11050cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 110510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11052d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11053d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 110545d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11055d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11056d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11057d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11058d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 110590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 110613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 110623ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1106316ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 110643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 110653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1106621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1106721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1106821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 110693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 110703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 110723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 110733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 110753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 110763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 1107821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 110795c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 110805c7cf4e469a4dad7e277783749155932252c52dfglennrp 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 110873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11089fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1109473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 110950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 110980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11104a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 111113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11113b381a2618e8bb9e1e76299676711d0ec1063feabglennrp value=GetImageOption(image_info,"png:format"); 11114b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11115b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (value != (char *) NULL) 11116b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11117b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11118b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11119b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11120b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 11121b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11122b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11123b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11124b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11125b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11126b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11127b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11128b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11129b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11130b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11131b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11132b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11133b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11134b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 11135b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11136b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11137b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 111383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 111393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111409c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 111419c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111429c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 111463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111479c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 111489c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111499c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111518a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 1115216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 111530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111549c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1115516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 111560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1115716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 111583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111629c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 111639c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111649c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111668a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 1116716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 111680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111699c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1117016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 111710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1117216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 111733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 111768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 111783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 111809c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 111810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 111839c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 111840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 111869c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 111870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 111899c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 111929c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 111930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11194bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1119516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11196bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11197bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11198bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11199bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112019c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11202bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 112060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 112119c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 112120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1121316ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1121416ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1121516ea139d53d867211d3bb0fa859a83de653f687ecristy 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 112179c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 112180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 112209c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 112210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 112239c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 112240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 112269c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 112270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11228bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1122916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11230bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11231bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11232bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11233bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112359c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11236d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 112400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112410dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 112420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 112430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112445d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 112450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 112460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 112470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 112480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 112490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 112510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112525d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 112535d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 112540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 112550dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 112560dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 112570dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11258aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11259aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11260aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 112610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 112630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 112640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 112650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 112670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 112680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 112690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 112710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 112720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11274104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 112750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 112760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1127726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1127826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11279a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1128026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1128126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1128226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1128326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1128426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1128526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1128626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1128726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11288a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1128926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1129026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1129126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1129226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 112938d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 112948d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 112958d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageArtifact(image,"png:preserve-colormap"); 112968d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 112978d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageOption(image_info,"png:preserve-colormap"); 112988d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 112998d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 113008d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 113011868258559ddf946fa73ef72dd43507b32623705glennrp /* Thes compression-level, compression-strategy, and compression-filter 113021868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 113031868258559ddf946fa73ef72dd43507b32623705glennrp */ 113041868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-level"); 113051868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 113061868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-level"); 113071868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 113081868258559ddf946fa73ef72dd43507b32623705glennrp { 113091868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 113101868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 113111868258559ddf946fa73ef72dd43507b32623705glennrp */ 113121868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 113131868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 113141868258559ddf946fa73ef72dd43507b32623705glennrp 113150ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 113161868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 113171868258559ddf946fa73ef72dd43507b32623705glennrp 113181868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 113191868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 113201868258559ddf946fa73ef72dd43507b32623705glennrp 113211868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 113221868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 113231868258559ddf946fa73ef72dd43507b32623705glennrp 113241868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 113251868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 113261868258559ddf946fa73ef72dd43507b32623705glennrp 113271868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 113281868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 113291868258559ddf946fa73ef72dd43507b32623705glennrp 113301868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 113311868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 113321868258559ddf946fa73ef72dd43507b32623705glennrp 113331868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 113341868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 113351868258559ddf946fa73ef72dd43507b32623705glennrp 113361868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 113371868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 113381868258559ddf946fa73ef72dd43507b32623705glennrp 113391868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 113401868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 113411868258559ddf946fa73ef72dd43507b32623705glennrp 113421868258559ddf946fa73ef72dd43507b32623705glennrp else 1134316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 113441868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 113451868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 113461868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 113471868258559ddf946fa73ef72dd43507b32623705glennrp } 113481868258559ddf946fa73ef72dd43507b32623705glennrp 113491868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-strategy"); 113501868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 113511868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-strategy"); 113521868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 113531868258559ddf946fa73ef72dd43507b32623705glennrp { 113541868258559ddf946fa73ef72dd43507b32623705glennrp 113551868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 113561868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 113571868258559ddf946fa73ef72dd43507b32623705glennrp 113581868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 113591868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 113601868258559ddf946fa73ef72dd43507b32623705glennrp 113611868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 113621868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 113631868258559ddf946fa73ef72dd43507b32623705glennrp 113641868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1136598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 113661868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1136798c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1136898c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1136998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 113701868258559ddf946fa73ef72dd43507b32623705glennrp 113711868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1137298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 113731868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1137498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1137598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1137698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 113771868258559ddf946fa73ef72dd43507b32623705glennrp 113781868258559ddf946fa73ef72dd43507b32623705glennrp else 1137916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 113801868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 113811868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 113821868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 113831868258559ddf946fa73ef72dd43507b32623705glennrp } 113841868258559ddf946fa73ef72dd43507b32623705glennrp 113851868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-filter"); 113861868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 113871868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-filter"); 113881868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 113891868258559ddf946fa73ef72dd43507b32623705glennrp { 113901868258559ddf946fa73ef72dd43507b32623705glennrp 113911868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 113921868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 113931868258559ddf946fa73ef72dd43507b32623705glennrp * 113941868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 113951868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 113961868258559ddf946fa73ef72dd43507b32623705glennrp */ 113971868258559ddf946fa73ef72dd43507b32623705glennrp 113981868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 113991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 114001868258559ddf946fa73ef72dd43507b32623705glennrp 11401b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 114021868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 114031868258559ddf946fa73ef72dd43507b32623705glennrp 114041868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 114051868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 114061868258559ddf946fa73ef72dd43507b32623705glennrp 114071868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 114081868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 114091868258559ddf946fa73ef72dd43507b32623705glennrp 114101868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 114111868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 114121868258559ddf946fa73ef72dd43507b32623705glennrp 114131868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 114141868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 114151868258559ddf946fa73ef72dd43507b32623705glennrp 114161868258559ddf946fa73ef72dd43507b32623705glennrp else 1141716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 114181868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 114191868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 114201868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 114211868258559ddf946fa73ef72dd43507b32623705glennrp } 114221868258559ddf946fa73ef72dd43507b32623705glennrp 1142303812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 1142403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 114255c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 114265c7cf4e469a4dad7e277783749155932252c52dfglennrp { 114275c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11428acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114295c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 11430acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11431acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11432acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 11433acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 114345c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11435acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114365c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 1143726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11438acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11439acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 11440acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11441acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1144203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1144303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1144426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1144503812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1144603812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1144726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1144803812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1144926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1145003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 114512cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 114522cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 114532cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114542cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 114552cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 114562cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114572cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 114582cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1145903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1146003812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1146103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1146203812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1146303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1146403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1146503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1146603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1146703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1146803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11469a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1147003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1147103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1147203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1147303812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1147403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1147503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1147603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1147703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11478a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1147903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1148003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1148103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1148203812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1148303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 114842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1148503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1148603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1148703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1148803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11489a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1149003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1149103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1149203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1149303812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1149403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1149503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1149603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1149703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11498a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1149903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1150003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1150103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1150203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 115032cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1150403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1150503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 115062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1150703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1150803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 115092cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11510a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11511a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 11512a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1151303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1151403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 115152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1151603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1151703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 115182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1151903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1152003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 115212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1152303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1152403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 1152503812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 115262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1152803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 115292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1153103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 115322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1153403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 115352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11536a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11537a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 115382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1154003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 115412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11542a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11543a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 11544a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1154503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1154603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 115472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1154803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1154903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 115502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1155103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1155203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 115532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1155403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11555ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1155626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1155726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 115585c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 115595c7cf4e469a4dad7e277783749155932252c52dfglennrp { 115605c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11561acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 115625c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 11563acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11564acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11565acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 11566acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 115675c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11568acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 115695c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 1157026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11571acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11572acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 11573acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11574acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1157503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1157603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1157703812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1157803812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1157926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1158003812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1158126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1158203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 115832cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 115842cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 115852cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 115862cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 115872cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 115882cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 115892cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 115902cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1159103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1159203812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1159303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1159403812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1159503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1159603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1159703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1159803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1159903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11600a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1160103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1160203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1160303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1160403812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1160503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1160603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1160703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1160803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11609a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1161003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1161103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1161203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1161303812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1161403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 116152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1161603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1161703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1161803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1161903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11620a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1162103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1162203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1162303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1162403812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1162503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1162603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1162703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1162803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11629a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1163003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1163103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1163203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1163303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 116342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1163503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1163603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 116372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1163803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1163903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 116402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11641a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11642a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 11643a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1164403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1164503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 116462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1164703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1164803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 116492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1165003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1165103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 116522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1165303812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1165403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1165503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 1165603812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 116572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1165803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1165903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 116602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1166103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1166203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 116632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1166403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1166503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 116662cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11667a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11668a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 116692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1167003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1167103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 116722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11673a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11674a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 11675a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1167603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1167703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 116782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1167903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1168003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 116812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1168203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1168303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 116842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1168503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11686ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1168726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1168826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1168903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 1169026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1169126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 116925d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1169326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1169426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1169526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1169626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1169726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1169826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 11699a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 11700a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11701a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1170226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1170326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1170426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1170526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1170626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1170726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1170826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1170926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1171026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 1171126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 1171226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1171326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1171426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 1171526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 1171626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1171726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1171826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1171926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1172026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1172226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1172326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1172526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1172626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 11728a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 11729a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11730a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1173126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1173226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1173426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1173526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1173726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1173826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1174026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1174126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11742b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 117433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1174416ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 117453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 117470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 117500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 117523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 117533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 117553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 117573ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1175816ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 117593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 117603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 117613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 117623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 117643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 117653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1176703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 117683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 117693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 117713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 117723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 117743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 117753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 117763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 117773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 117793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 117803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 117813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 117823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 117833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1178559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 117863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 117873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 11789fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 117903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 117923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 117933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 117943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 117963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 117978a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image_info->type==TrueColorMatteType || image->alpha_trait == BlendPixelTrait; 117983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1179959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1180059575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1180159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1180259575fa5c228308a41d7f5028390be2083aaaf6dglennrp 11803750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1180459575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1180559575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1180659575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1180759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 118083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 118103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 118120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 118143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1181616ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 118170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 118190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 118213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 118220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 118260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1182716ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 118283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 118293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 118303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 118318a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 118328f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1183316ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1183416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 118353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 118363b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 118373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 118383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1183959575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1184059575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1184159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1184259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1184359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1184459575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 118453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 118473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 118493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 118507fb2652ba366fc984d1dbb0c66560b91c57dab78cristy TrueColorType && IsImageGray(image,exception)) 118513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 118523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1185359575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1185459575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1185559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1185659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1185759575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1185859575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 1185959575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (transparent) 1186059575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1186159575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1186259575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1186359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1186459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1186559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1186659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1186759575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1186859575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1186959575fa5c228308a41d7f5028390be2083aaaf6dglennrp 118703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 118713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 118733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 118753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 118763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1187716ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 118783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1187916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 118803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 118833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 118843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 118863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 118873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 118883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11889cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 11890cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 11891cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 118923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1189316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 118943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1189616ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 118973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 118983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 118993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1190216ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 119033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1190516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 119063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 119083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 119093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 119103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 119133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1191416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 119153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 119160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11919e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 11920e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 119213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 119243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 119253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 119263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 119273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 119303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 119313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1193203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 119334e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 119344e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 119353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 119363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 119373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 119383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 119393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 119403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 119413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 119423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 119433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 119443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 119453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11948f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 119490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11951f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 119520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 119550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 119580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 119610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 119640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 119670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 119700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 119730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 119763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 11979cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 119803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 119833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 119863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 119893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 119923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 119933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 119943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 119953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11996bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 119973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 119983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 120003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 120013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12003bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 120043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1200503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 120063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 120073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 120083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 120093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 120103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 120113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 120123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 120133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 120143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 120153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 120163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 120173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 120203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 120233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 120253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1202603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 120270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12029e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12030cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12031e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 120320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12034e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12035cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12036e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 120370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 120393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 120403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 120443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 120473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 120493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1205003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1205135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 120523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 120533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 120543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 120573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 120583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 120603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 120613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 120643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 120663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1206703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 120683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1206935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1207035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 120713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1207235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1207335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 120743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1207535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1207635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 120773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1207835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1207935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 120803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 120813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 120823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1208516ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 120863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 120893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 120913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1209203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 120933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 120943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1209535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1209616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 120970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1209835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1209916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 121000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 121023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 121053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 121073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1210835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1210916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 121100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1211135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1211216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 121130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 121153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 121183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1211916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1212016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 121213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 121223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 121313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1213503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12136bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12137bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1214603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 121483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 121583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12159bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 121613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12162bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 121633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 121663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12168e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12169f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 121703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 121723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12174bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 121753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 121773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 121780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 121803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12182bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1218303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 121843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 121853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 121863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 121903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12193e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12194e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 121973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 122023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12204e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12205bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 122063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1220703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 122103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 122113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 122123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 122133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 122213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 122223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1222916ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 122353b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 122363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 122373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1223916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12243e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12244e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 122453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 122473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 122480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122493080b916bc1e53af65fa199eba114729f5c76c41cristy *jpeg_image_info->filename='\0'; 1225059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1225159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 122523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 122533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1225916ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 122600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12264e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12265e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12268e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12272bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 122733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1227403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 122753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 122763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 122783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 122803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 122813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 122823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12285cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 122883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 122893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1229003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 122970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 123033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 123143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 123183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1231916ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1232016ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1232816ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1232916ea139d53d867211d3bb0fa859a83de653f687ecristy% 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1233216ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1233316ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 123353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1233621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1233703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 123413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12351fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1235216ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 123583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1236073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 123673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1237216ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 123763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1238316ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1238416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 123853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 123883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1239321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1239603812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1239703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1239803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 124093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 124113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 124133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 124143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 124153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12416bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 124173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 124203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12426bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12429bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 124313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 124323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12433d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 124353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12447fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1244816ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 124493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 124543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1245673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 124573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 124583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 124593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 124633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 124643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 124723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 124763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 124793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 124803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 124813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 124833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 124843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 124883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 124923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 124933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 124970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12499e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 125000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12508e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 125090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12511e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 125120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125138a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (p->alpha_trait) 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 125160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 125200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 125240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 125280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12531e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 125320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 125360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 125383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 125393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 125463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 125483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 125493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 125533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 125653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 125663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 125683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 125693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 125883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 125903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 125990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 126060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126078a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (next_image->alpha_trait) 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 126090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 126118a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (next_image->alpha_trait || next_image->page.x || next_image->page.y || 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 126143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 126150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 126180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 126200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 126223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 126233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 126240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 126263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 126273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 126283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 126293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 126308a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 126313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 126320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 126343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126357fb2652ba366fc984d1dbb0c66560b91c57dab78cristy if (IsImageGray(image,exception) == MagickFalse) 126363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 126373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 126383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 126393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 126403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 126463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 126483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 126503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 126520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 126550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 126590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1266116ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1266216ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 126640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 126753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 126803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 126973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 126983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 127103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 127153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127160261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 12717d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 12718d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1271916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1272016ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 12721d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 12722d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 12723d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 12729cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 12730cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 127330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 127360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 127390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1276003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 127614e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 127624e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 127730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 127763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 127820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 127933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 127940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 128030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 128113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 12821bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1282203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1283603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 128383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 128410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 128440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 128470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12851e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 12852e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 128530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12856e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 128570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12860e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 128753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1287603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 128770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12879e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12880cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12881e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 128820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12884e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12885cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12886cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 128870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 129013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1290203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1290335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 129043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 129053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 129093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1291803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1292035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1292135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1292335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1292435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1292635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1292735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1292935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1293035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1293616ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1294303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 129440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1294735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1294816ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 129490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1295035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1295116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 129520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1296035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1296116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 129620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1296335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1296416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 129650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 129673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1297116ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1297216ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129838a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (write_mng && (image->alpha_trait || image->page.x > 0 || 129843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 129863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 129883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1299103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1300403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13015bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1302403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 130250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13026bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1302816ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1302916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1303016ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1303116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1303216ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1303316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13073bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1307903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 130800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13081bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 130853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 130893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 130903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 130923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 130953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 130963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13100bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 131033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 131073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 131163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 131173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1312003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 131363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 131433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1314903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1316103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 131653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 131683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 131723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 131734e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 131763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 131883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1319016ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 131913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 131973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 131992f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13200b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 132018d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 132022f2e514554975d510c88df54de98c6cdc1080f1cglennrp 132032f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 132042f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 132052f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13206a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 132072f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 132082f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 132092f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 132102f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 132112f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 132122f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 132132f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 132142f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13215a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 132162f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 132172f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 132182f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 132192f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1322016ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 132213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 132263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 132273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 132283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 132303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 132313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 132323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 132333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 132343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 132350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 132373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 132380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 132400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 132423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1325003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 132513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 132533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 132563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 132583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 132590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 132620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13265d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1326639992b4dd9b12ef752d55b8e402c069698851f72glennrp 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 132693bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 132720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1327639992b4dd9b12ef752d55b8e402c069698851f72glennrp 132773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 132803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13281d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 132823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13283