png.c revision 75fc68f33e6e766a22e8ed653c3ed50b0d142827
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, 2028faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 2029faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 2030faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 20314eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 20324eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 20334eb3931feb349dd87142c78503b779228f3e1a0fglennrp 20344eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 20354eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 20384383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 203998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 204098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 204198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 204298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 20433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 204516ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 204616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 204716ea139d53d867211d3bb0fa859a83de653f687ecristy 204816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 204916ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 205016ea139d53d867211d3bb0fa859a83de653f687ecristy 2051faa852bad40107edae19405e76a299057668d795glennrp png_bytep 2052faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 2053faa852bad40107edae19405e76a299057668d795glennrp 2054faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 2055faa852bad40107edae19405e76a299057668d795glennrp ping_background, 2056faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 2057faa852bad40107edae19405e76a299057668d795glennrp 20583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 20593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 20603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 20633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 20663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 20673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2068faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 2069faa852bad40107edae19405e76a299057668d795glennrp ping_height, 2070faa852bad40107edae19405e76a299057668d795glennrp ping_width, 20714eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 20724eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 2073faa852bad40107edae19405e76a299057668d795glennrp 207416ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 207516ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 207616ea139d53d867211d3bb0fa859a83de653f687ecristy 2077bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 2078756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 20833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2084bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 20853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 20863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 20873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 208816ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 209239992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2095eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2096eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2097eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 209875fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 209975fc68f33e6e766a22e8ed653c3ed50b0d142827cristy *volatile ping_pixels; 210055b78b53f1e013e0af19565ac04aaa7660d53795cristy 2101629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 21023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 21033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 21053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 21063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 21073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 21083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 21093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2110629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2111629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2112629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2113629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2114629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2115629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 21163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 21173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 21193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 2120fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOnePNGImage()"); 21213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 212225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 21233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 21243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 21253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 21263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 212861b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 212961b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 213061b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 213161b4c957269727a0a2526edc2331881da8346100glennrp { 213261b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 213361b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 213461b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 213561b4c957269727a0a2526edc2331881da8346100glennrp } 213661b4c957269727a0a2526edc2331881da8346100glennrp# endif 213761b4c957269727a0a2526edc2331881da8346100glennrp#endif 213861b4c957269727a0a2526edc2331881da8346100glennrp 213916ea139d53d867211d3bb0fa859a83de653f687ecristy 214016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 21413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2143a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 214498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2145a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21468a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%d",(int) image->alpha_trait); 2147a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 214898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 214998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " image->rendering_intent=%d",(int) image->rendering_intent); 2150e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2151e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 2152e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp " image->colorspace=%d",(int) image->colorspace); 215398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 215498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 215598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21560e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21570e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21580e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21590e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 216016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21610e319739731741c52a6303723e0c8678a0df5579glennrp 2162913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2163cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21644eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2165cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2166cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 216798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 216898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 216998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 217098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 217198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 217616ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 217716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 217816ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2179cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2180cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 218216ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2183cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2204cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 22050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2206faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 22073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2212edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2213edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 2214cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 22153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2216edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2217edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (ping_pixels != (unsigned char *) NULL) 2218edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 2219edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 22230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 22257b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 222616ea139d53d867211d3bb0fa859a83de653f687ecristy InheritException(exception,exception); 22277b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 22287b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 22290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2232edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2233edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2234edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2235edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2236edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2237edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2238edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 2239edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2240edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2241edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2245faa852bad40107edae19405e76a299057668d795glennrp 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22819bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 22829bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 22839bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 22849bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 22859bf97b6c2143eb20c330346b01e82102cc082725glennrp 2286991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2287991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2288991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 22973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2302991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2306faa852bad40107edae19405e76a299057668d795glennrp 2307faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2308faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2309faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2310faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2311faa852bad40107edae19405e76a299057668d795glennrp 2312faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2313faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2314faa852bad40107edae19405e76a299057668d795glennrp 2315faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2316faa852bad40107edae19405e76a299057668d795glennrp 2317faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2319faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 2320faa852bad40107edae19405e76a299057668d795glennrp { 2321faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 2322faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 2323faa852bad40107edae19405e76a299057668d795glennrp } 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 2651bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (ping_bit_depth == 1) 2652bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 26530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2654bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp else if (ping_bit_depth == 2) 2655bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 26560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2657bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp else if (ping_bit_depth == 4) 2658bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 26590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2660bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (ping_bit_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 2712f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_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 2733a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short = 65535L/((1UL << ping_bit_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; 2821befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_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 2878faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_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 2897147bc91f6859c598c4f57b6a162111b2f63614d9glennrp /* encode ping_width, ping_height, ping_bit_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 29043b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_bit_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); 3023862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 302516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3026c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 30270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 302816ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 302916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 303016ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 30310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 303216ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 303316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 303416ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 30350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 303616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 303716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 303816ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 30390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304016ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 304116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 304216ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 30430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304416ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 304516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 304616ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 30473faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3048c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3049c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3050c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3051a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3052a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3053a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3054a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3055c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3056c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 30575aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 30585aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 305916ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3060c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3061a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3062a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3063a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3064a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3065c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3066c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3067c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 30684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 30694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 307016ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 307116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 307216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 307316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 307416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 307516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 30764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3077a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3078a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3079a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 30804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 30814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 30824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 308316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3084c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3085c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 30860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3087c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 3088c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3089c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 3090c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 30910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3092c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3093c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3094c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3095c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3096c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3097c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 30980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3099c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 31007a287bfadeadea12e47c2376ca78a5d101687142cristy { 3101c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 31027a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 31037a287bfadeadea12e47c2376ca78a5d101687142cristy break; 31047a287bfadeadea12e47c2376ca78a5d101687142cristy } 31053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3109c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3121c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3122c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3123c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 312416ea139d53d867211d3bb0fa859a83de653f687ecristy 31258a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3126b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3129b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3130b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 31310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3133edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3135bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3138faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3139c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3142c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3143cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 31450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 314616ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3149cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3151c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3152faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3156bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3159bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 3162a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 31643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 31673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3168bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 3169a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 317447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3177bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3179a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 6) & 0x03; 3180a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 4) & 0x03; 3181a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 2) & 0x03; 3182a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++) & 0x03; 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 31863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3187bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 3188a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p >> (i*2)) & 0x03); 31893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 319347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3196bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 31973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3198a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 4) & 0x0f; 3199a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++) & 0x0f; 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 3203a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++ >> 4) & 0x0f; 32040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 320747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3210faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3211bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3213a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 321416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) *p++),q); 321516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 32160b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 321716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3221bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3222a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 32230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 322647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3230a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3231c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 323258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp size_t 323358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 323458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 323558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3236c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 323758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 323858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3239c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 324058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 324158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3242c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 324358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 32440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3245faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3247c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3248c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3249c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3250c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3251c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3252c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 325316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum(quantum),q); 325416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 325558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 325616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 325758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 325858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 325958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 326058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 326158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 326247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 326358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 326458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 326516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 326616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 32670b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 326858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 326916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3272a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 327347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 327647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32803faa9a3fb01696daaf976d595f492cb530bffb21glennrp 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 32833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 32850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 328616ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 328716ea139d53d867211d3bb0fa859a83de653f687ecristy 328816ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 328916ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3290bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 329116ea139d53d867211d3bb0fa859a83de653f687ecristy { 329216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 329316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 329416ea139d53d867211d3bb0fa859a83de653f687ecristy } 32950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32997a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 33007a287bfadeadea12e47c2376ca78a5d101687142cristy { 3301cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 33029fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 330347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33047a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 33057a287bfadeadea12e47c2376ca78a5d101687142cristy break; 33067a287bfadeadea12e47c2376ca78a5d101687142cristy } 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3308c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33097a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 331247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 33143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3316c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3319c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3320b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3321b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3322c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3323c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3324c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3325c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3326c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3327c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3328c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 33295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 33305aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33315aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3332bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 33335aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 33345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3335c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3336c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3337c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 333816ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 333916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 334016ea139d53d867211d3bb0fa859a83de653f687ecristy 33415c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 33425c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3343b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3344b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 33455c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3346b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 33478a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 334816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3349b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 33505c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 335147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33524eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3355bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3358cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 336016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3361edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 3362cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 336947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3370faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 33743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 33773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 33798a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3380c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33813c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3382c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 33840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3386c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 33870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 33880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33898a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 339016ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 339116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 33920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3393c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 339447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 33960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 33980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 340016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 34010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 34028a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 340316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 34040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 34050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 34060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 340716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 34080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 340947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3410a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3411a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3412a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 34130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 34140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 34150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 34160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 34170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 34180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3419c11cf6a442f3046940608a5743a68cc891deb13eglennrp 342016ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 34210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3422c11cf6a442f3046940608a5743a68cc891deb13eglennrp 34230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3424a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3425a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3426a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 34270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 34280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 342916ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 343016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 343116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 343216ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 343316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 343416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 34354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 343616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 34374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 34380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 343967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 34400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 34414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 344216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 34434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3444a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 34450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 344616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 34480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 34500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3451c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 34520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3453a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3454c11cf6a442f3046940608a5743a68cc891deb13eglennrp 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34573c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3458eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 34594eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34604eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3461a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3462a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 34634eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3464a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3465a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 34663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34674eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 34684eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 34694eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34704eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 34710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34724eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 34734eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34744eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 34750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34764eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (memcmp(text[i].key, "Raw profile type ",17) == 0) 34774eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3478edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 3479edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) i,exception); 34804eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_raw_profiles++; 34814eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34824eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34834eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 34844eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 34854eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 34864eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 34874eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34884eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 34894eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 34904eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 34914eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 34924eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3493edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 34944eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 34954eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34964eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 34974eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 34984eb3931feb349dd87142c78503b779228f3e1a0fglennrp 34994eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 35004eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 35014eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 35024eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 35034eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 35044eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 350516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35074eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35094eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35104eb3931feb349dd87142c78503b779228f3e1a0fglennrp " length: %lu",(unsigned long) length); 35114eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35124eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Keyword: %s",text[i].key); 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35154eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 351697f90e23c85b9c58387880125c29d8c99126f83aglennrp } 35174eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 35184eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total += num_text; 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 353373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 35340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 354147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 35433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3546edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 35470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3549edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 35503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 35533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 35563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 35573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 35580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 356016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 35633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 35640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3566edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 35670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3568faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 35700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3571faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3572faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3573faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3574faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3575faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3576faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3577faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3578faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 35790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3580faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 35833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 35843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 35903c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 35923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 359647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 35983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 35993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 36020a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 36038a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 36040a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 36050a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 36060a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 36078a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 36080a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 36090a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3610b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 36110a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3612cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3613cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3614cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3615cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3616cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36174eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3618cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3619cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 36203b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3621613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 362216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text ",msg, 362316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3624cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3625cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3626cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3627cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 36283b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3629cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 363016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 363116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3632cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3633cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 363498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 36355961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 36363b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 36375961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 363816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:cHRM ",msg, 363916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36405961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3641cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3642cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 36435961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 36443b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 36455961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 364616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:bKGD ",msg, 364716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36485961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 36495961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 36503b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 36515961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3652cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 365398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 365498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 365516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:iCCP ",msg, 365616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 365798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3658cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36594eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 366016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:tRNS ",msg, 366116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36624eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36634eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 366498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 36654eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36663b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 366798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 366898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 366998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 367016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:sRGB ",msg, 367198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 36724eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36734eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 36744eb3931feb349dd87142c78503b779228f3e1a0fglennrp 367598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 36764eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36773b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 367816ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 367916ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 368016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:gAMA ",msg, 368116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36824eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3683cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36844eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3685cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 36864eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36873b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 368807523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 36894eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 369016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:pHYs ",msg, 369116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36924eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36934eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3694cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36954eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 36964eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 36974eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36983b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 36994eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 370016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:oFFs ",msg, 370116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37024eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 37034eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 37044eb3931feb349dd87142c78503b779228f3e1a0fglennrp 370507523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 370607523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 370707523c7d2e40370804c2036295571e4b6426f94dglennrp { 37083b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 370907523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 371007523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 371116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:vpAg ",msg, 371216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 371307523c7d2e40370804c2036295571e4b6426f94dglennrp } 3714cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3715cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3721cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 37260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3727edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 3728edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3729edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3730edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3731edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3732edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3733edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3734edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 374721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 374821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 376547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 376947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3772fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 377316ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 377647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 377947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 378447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3785dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 378747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 379273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 379347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 379647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 380747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 38093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 38140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 38173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 38220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 382547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 382747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 38330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 38353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 383647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 383772715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 383872715f5c299a6482f8eb175070b056d77b74a43fcristy (image->gamma == 1.0)) 383972715f5c299a6482f8eb175070b056d77b74a43fcristy SetImageColorspace(image,RGBColorspace,exception); 384072715f5c299a6482f8eb175070b056d77b74a43fcristy 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 384316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 38448a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 38453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 384816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 38490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 385197f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 385297f90e23c85b9c58387880125c29d8c99126f83aglennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 385397f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.width,(double) image->page.height, 385497f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.x,(double) image->page.y); 385597f90e23c85b9c58387880125c29d8c99126f83aglennrp 385697f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 38573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 38580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39104383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 39114383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 39124383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3913bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 393316ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3936bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 394016ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3951bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 3965fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 39680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 396916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 39770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 397816ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 39790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 40100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 40130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4021e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4022e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 402947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 40330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4037bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 40390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 404247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 404947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4057bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 4059bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 406547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 406847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 407347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4077f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 407847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4080f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 408147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 408447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 408847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 409247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 409647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 410047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 410447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 410847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 411447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 411747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 413447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 413747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 413916ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 41400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 41470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 41510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 415873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 41590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 416416ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 41650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 41760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 41800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 41920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 41950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 419803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 421547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 422247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 422547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 423447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4242bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 424403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 425947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 42790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 43098182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 43100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43198182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 43208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 43218182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 43228182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 43238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 43248182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 43258182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 43268182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 432847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4337e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4338cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4339da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 434947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43585eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 43595eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 43600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 436747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 437816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 437916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 438316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 438416ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4395fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 443116ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 443747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 44410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44423b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 44440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 44470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 44610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 44640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4465bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 446716ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 446916ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 447016ea139d53d867211d3bb0fa859a83de653f687ecristy { 447116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 447216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 447316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 447416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 447516ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 447616ea139d53d867211d3bb0fa859a83de653f687ecristy } 447747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 44830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 449403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 45000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 450316ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45053b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 45090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4511bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 451416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 451647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45178a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 451816ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 451916ea139d53d867211d3bb0fa859a83de653f687ecristy { 452016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 452116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 452216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 452316ea139d53d867211d3bb0fa859a83de653f687ecristy } 45240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 452616ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 452816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 452916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 45308a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 453116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 453216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 454647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 454747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 45550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 45570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 45580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 45610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 45630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 45640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 45680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 45690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 45700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 45740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 45780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 462021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 462121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4641fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 464216ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 46450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 46510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 465247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 465347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 465547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46563b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 46580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 465947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 466047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 466273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 46630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 46660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 466747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 466847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 46760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 46880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 469247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 46980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 47040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 47133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47184383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 471921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 472021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 47214383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 47243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4728bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 474616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4753bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4759bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 478538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 478638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 478738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4788bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 481047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 481147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4817fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 481816ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 482847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 482947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 483047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 483173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 48320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 483647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 483747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 484747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 485147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 485247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4855bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 486047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4903e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4904e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 49080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 49110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 49140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 491847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 492147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 492447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 49340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 493616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 49380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 49450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 494716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 49490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 495447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 49590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 49660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4972bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 49740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4975bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 49770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4981e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4983e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 49878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 49880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 49910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 49950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 49980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 50028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 50060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 50090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 50120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 501716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 501947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 502016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 50210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 50240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 50320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50333b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 5034e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5035f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 50360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5038bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5040bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 50420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 50450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 50580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50618182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 50628182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 50630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 50660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 50750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5077e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 50780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5080e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 508916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 50940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 509616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5103edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 510616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 511516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 51230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 51260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 51330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 51340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 51360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 51370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5141e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 5142f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 51430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5145e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 5146f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 51560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 51630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 51680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 51710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 51740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 51860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 51890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 51970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 52000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 520116ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 521247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 521547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 521647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 52220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5223bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 523035ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 52450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 524947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5255bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 526212560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5270bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52738182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 52800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 528747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 528847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 52928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 52938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 52958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 52978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 52998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 53018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 53038182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 530847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 531247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5320e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5321cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 532647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 533047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5333fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 534047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 534347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 534716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 53500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 53530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 53563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 535747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 53610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 53650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 536847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 536947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 537147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5372bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 537447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 537647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5377bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 538847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 53928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 53930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 53958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 53960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5397bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5398bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 53990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 54020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 54040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5407e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 540947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5412bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5413bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 54140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5415bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5416bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 54170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5418bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5419bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 54200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 54230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 54250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5428e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 543047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 54360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5440e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5441e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 544247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 54500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5451bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 54530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5454bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5462e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5463e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 54640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 546847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 546916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 547116ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 547247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 547947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 55028a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 550416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 55050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5509e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5510e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 552747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 553947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 556347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 556447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5573bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5576bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 55793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 558847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5591bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 559547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 559647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 561647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5623bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 562647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 562747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 56288182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 56290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5632e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5633e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 56340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 56370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 564847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 565247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 566447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 56710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5675e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5676f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 567747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 56820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 568747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 571316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 571647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 571947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 57360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 57390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 57420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 574916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 575347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 575947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 576547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 576847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 577447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 577747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 578347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 578647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 579247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 579547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 580147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 580447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 581047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 581347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 581947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 582347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 582716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 583147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 585416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 585747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 58593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 586047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 586416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 586747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 587547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 58918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 58938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 589747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 590416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 590647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 591247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 591416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 591747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5920bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 593047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 593347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 593647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 593947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 594247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 594547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 594847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 595647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 595947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 596247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 596747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 597747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 598447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 598747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 599347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 600147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 60038182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6016bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6018bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 602016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 602516ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 602647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 603347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 603747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 604447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 604747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 604847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 604947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 605816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6061e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6062e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 607316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 607816ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 607947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 608647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 60910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 610147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 61108a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 611116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 61120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6116e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6117e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 612216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 612716ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 612847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 613547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 61410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 61440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 61530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 61620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 616847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 617247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 617747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6178bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 617947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 619147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 620447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 623747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 624047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 624247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 624347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 624547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62484e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 624947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 625247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 625547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 625747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 625847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 626047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 626447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 626747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 626947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 627047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 627247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62754e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 627647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 627947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 628247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 628447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 628547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 628747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 629716ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 629816ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 629916ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 630016ea139d53d867211d3bb0fa859a83de653f687ecristy 630116ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 630216ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 630316ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 630416ea139d53d867211d3bb0fa859a83de653f687ecristy 6305bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 630916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 631316ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 631416ea139d53d867211d3bb0fa859a83de653f687ecristy x; 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 631647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 631747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 632147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 632216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 632347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63393faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6347bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 635147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6352bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 635416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 635516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 635616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 635716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 635816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 635916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 636016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 636116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 636216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 636447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63738a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 637416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 637547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 637816ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 637916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 638047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 638347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 638647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 638947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6398e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6399bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 640116ea139d53d867211d3bb0fa859a83de653f687ecristy length=(size_t) image->columns*GetPixelChannels(image); 640216ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 640316ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 640447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 640516ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 640616ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 641347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 641647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6417bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6420bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 642147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6422bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6423bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 642447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6425bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6426bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 642747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6428bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 643047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6432bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 643347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 643747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6438bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 644447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 644716ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6450bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 64549fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 645516ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 645616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 645747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6458bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6460fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6469bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 647016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 647116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 647216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 647316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 647416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 647516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 647616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 647847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6482bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 648316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 648416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 648516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 648616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 648716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 648816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 648916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 649016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6491bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 649247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 649616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 649716ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 649816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6499bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 650016ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 650116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 650216ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 650316ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6504bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 650516ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 650616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 650716ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 650816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6509bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 651016ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 651147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65128a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 651316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 651416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 651516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6516bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 651716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 651947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 652416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 652516ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 652716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 652816ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 653147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6536bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 653716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 653816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 653916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 654016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 654116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 654216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 654316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 654416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6545bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 654647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6548bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 654916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 655016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 655116ea139d53d867211d3bb0fa859a83de653f687ecristy q); 655216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 655316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 655416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 655516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6556bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 655747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 656016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 656116ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 656216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6563bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 656416ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 656716ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 656816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 656916ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 657147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 657447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 657747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 657816ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 657916ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6596e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6598bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 660016ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 660416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 660516ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 660647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6607bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6608bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 661016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 66117c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6612bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6613bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 661447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6615bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6616bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 661747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6618bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6619bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 662047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6621bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 662347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6625bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 662647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 663216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 663316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 663416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 663516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 663747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6641bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 664216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 664316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 664416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 664516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6646bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 664747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 664816ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 665216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 665316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 665416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6655bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 665616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6657bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 665816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 665916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 666016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6661bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 666216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6663bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 666416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 666516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 666616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6667bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 666816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 66698a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 667016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 667116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 667216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6673bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 667416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 667647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6681bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 668216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 668316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6684bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6686bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 668716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 668816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6689bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6697bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 669816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 669916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 670016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 670116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6702bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 670347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6705bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 670616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 670716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 670816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 670916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6710bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 671147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 671516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 671616ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 671716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6718bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 671916ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672416ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 672516ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67313faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6737bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 674047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6741bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 674316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 674416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 674516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 674616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 674716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 674816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 674916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 675016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 675116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 675347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 678747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 67893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 67903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 68003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 68023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6803bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6804bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 68053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 68073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 68083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 681047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 68173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 68203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 682247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 68273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 68283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 68293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 68303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 68313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 68323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 683316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 68363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 68383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68452b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 68462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 684716ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 68482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 68492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 68502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 68512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 68522b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 68533faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 6854cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 6855cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 6856cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 6857cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 6858cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 6859cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 686016ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 68618640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6863d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6867bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 68693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6870d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6874d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 68753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 687647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 687847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 688247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 68843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 68863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 68903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 68930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 689416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 68983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 689916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 69013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 690447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 690847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 69123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 69143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 69208a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 69210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 692316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 69240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 69290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 69320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 694047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 694116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 694447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 69490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 695447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 695516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 696047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 69643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 696847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 696916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 697347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 697947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 698016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 698247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 698547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 69930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 69960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 69983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 69990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 70033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 700447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 70063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 70093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 70100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 70120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7015e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7016e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 70170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 70213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 702547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 702847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7030e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 703147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7036e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 70373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7048bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 705347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 705516ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 705647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 705947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 706247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 70643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 70663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 70673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 70693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 70703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 707147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 707447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 70813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 70903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 709147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 70933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 710147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 710447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7106e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7107e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 710847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7110f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7111f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 711247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7113f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7114e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7115e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7116f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7117f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 711847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 712247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 712547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 712825c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 71313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 713347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 713647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 713947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 71433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 714425c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 71603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 71663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7167bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 71683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7170bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 71713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 71733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 71743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 71773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 718347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 71883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 718947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 71913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 71933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 719747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 720147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 720947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 721247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 721747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 722047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 722347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 722947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 723447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 723947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 724247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 724747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 725247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 726247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 726647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 72713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 727347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 727647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 728147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 72853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 728947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 729447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 730247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 730947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 731647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7317edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 7318cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_semaphore=AllocateSemaphoreInfo(); 731918b17443128598500357da7bff2f01683cf32890cristy#endif 732047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 73443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 735147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7352edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 7353cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 7354cf002022280cc4dedb2748ad6f415aac1d44f530glennrp DestroySemaphoreInfo(&ping_semaphore); 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 735925c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 737816ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 737916ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 73823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 73843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 738716ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 74203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 74303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 74333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 74343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 74353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7437cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 74383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 74393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7444bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 74563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 74593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 74613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 74623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 74643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 74660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 74673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7469a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 7470a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7471a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7472a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7473a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 74743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 74753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7477a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 7478a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7479a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7480a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7481a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7482a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7483a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7484a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 74853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 74863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 74873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 74883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 74893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 74903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 74913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 74933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 74943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 74953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 74963b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7497f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 74983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 749947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7500bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 75013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 75033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 75043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 75053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 75063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 750747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 75093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 75103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 75113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 75123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 75133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 751447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 75163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 751747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 75193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 75203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 75213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7523cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 75244383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 75273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 75283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 75313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 75333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 75343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 753847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 753947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 754047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 754247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7546cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 75473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 754847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 754947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 755047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 755147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 755247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 755347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7554cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7555cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7556cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 755747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 755847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 755947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 756047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 756147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 756247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 756347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7564cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 756547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 756747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 757047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7574b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7575b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 757716ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 757916ea139d53d867211d3bb0fa859a83de653f687ecristy Image 758016ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 758116ea139d53d867211d3bb0fa859a83de653f687ecristy 758216ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 758316ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 758416ea139d53d867211d3bb0fa859a83de653f687ecristy 75853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7598cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7599cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7600e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7601e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 76025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 760339992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 760439992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 76075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 76085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 76095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 76123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 76175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 76185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 76195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 762458e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 762521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 762658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 762758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7628da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7629fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7630d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 76318d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 763239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7633991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7634991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7635991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 763626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 763726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 763826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7639a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7640e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 764126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 764226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 764326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 764426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 764526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 764626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 764726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7648e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 764926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 765026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 765126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 765226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 76538d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 76540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 76550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 765682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 76578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7658d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7659d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 766416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 766516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 766616ea139d53d867211d3bb0fa859a83de653f687ecristy 7667bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 76703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 767275fc68f33e6e766a22e8ed653c3ed50b0d142827cristy *volatile ping_pixels; 76733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7675f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 76760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 76775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 76785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 76795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 76805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 76815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 76825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7683bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 76845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 76855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 76863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7687bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 76903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 76913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7692dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7693fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7694f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 76958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 76968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 76978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7698dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7699dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7700dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7701dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7702dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7703dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7705fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 77063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 770716ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 770816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 770916ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 771016ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7711b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 77125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 77130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 77145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 77155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 77165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 77175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 77185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 77195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 77205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 77215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 77225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 77235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 77245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 77255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 77265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 77275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 77285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 77295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 77305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7731dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 7732dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 7733dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 7734dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7735da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 7736d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 77378d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 773839992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 7739991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 7740991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 7741991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 7742991d11dd9c33e65872778b81aff1347cd2878154glennrp 77430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 77440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 7745a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 7746dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 77470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 77480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 77490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 77500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 77510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 77520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 77530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 7754dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 77550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 77560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 77570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 77580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 77598d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 77600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 77610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 77620d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 77630d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 77640d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 77650d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 77660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 77670d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 77680d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB == MagickFalse) 77690d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77700d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 77710d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 77720d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77730d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 77740d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 77750d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77760d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 77770d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 77780d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77790d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 77800d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77810d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 77820d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 77830d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 778416ea139d53d867211d3bb0fa859a83de653f687ecristy (LocaleCompare(name,"ICM") == 0)) 778516ea139d53d867211d3bb0fa859a83de653f687ecristy { 7786ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 7787ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp icheck; 77880d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7789ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp /* 0: not a known sRGB profile 7790ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 1: HP-Microsoft sRGB v2 7791ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 2: ICC sRGB v4 perceptual 7792ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 3: ICC sRGB v2 perceptual no black-compensation 7793ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp */ 77940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy png_uint_32 7795ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_crc[4] = {0, 0xf29e526dUL, 0xbbef7812UL, 0x427ebb21UL}, 7796ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_len[4] = {0, 3144, 60960, 3052}; 77970d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7798ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 7799ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 7800ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc; 780129a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7802ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 7803ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 78040d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7805ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 780629a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7807ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp for (icheck=3; icheck > 0; icheck--) 780829a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 7809ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (length == check_len[icheck]) 7810ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7811ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7812ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 7813ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 78140d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7815ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp data=GetStringInfoDatum(profile); 7816ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc=crc32(0,data,length); 78170d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7818ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7819e54cd4b9aa386137b617b4b7fc66436c70466007glennrp " with crc=%8x",(unsigned int) profile_crc); 7820ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 7821ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (profile_crc == check_crc[icheck]) 7822ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7823ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7824ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " It is sRGB."); 7825ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 7826ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp image->rendering_intent=PerceptualIntent; 7827ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 7828ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 782929a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 78300d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 7831ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (icheck == 0) 783229a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7833ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile", 783429a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 783529a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 78360d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 78370d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 78380d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 78390d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 78400d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 78418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 78428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 78438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 78448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7845fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7846fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7847fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 7848fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7849fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 7850fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 7851fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7852fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 7853fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 7854fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7855fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 7856fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 785728af3713c9111a471cc868c787760de89236fa3cglennrp 7858750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 78597e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 78607e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png_colortype != 0 && 78617e65e93c71716f2a5c03c0808adedae21d519fb2glennrp mng_info->write_png_colortype != 4))) 78627e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 786316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 78647e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 78657e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 78667e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 7867c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 786828af3713c9111a471cc868c787760de89236fa3cglennrp { 7869c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 7870c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 7871c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 7872c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 7873c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7874c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 7875e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 7876c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 7877c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 787828af3713c9111a471cc868c787760de89236fa3cglennrp } 7879bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78803d9f5ba107b160e1819bb6baeeb3a9f521e9f450cristy if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 788116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 78820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78833241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 78843241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 78853241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 78863241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 78873241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 788816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 78893241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7890a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 7891a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 7892a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7893a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 7894a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7895a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 7896a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7897a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 7898a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7899a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 7900a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 79018e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 790267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < MAGICKCORE_QUANTUM_DEPTH) 790367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 790416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 79058e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 79068e58efdecda887b08ef730d68290a61081ef2566glennrp 79078e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 79088e58efdecda887b08ef730d68290a61081ef2566glennrp { 79098e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 16 79108e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 16-bit */ 791191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->background_color); 79128e58efdecda887b08ef730d68290a61081ef2566glennrp 79138e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79148e58efdecda887b08ef730d68290a61081ef2566glennrp { 791516ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79168e58efdecda887b08ef730d68290a61081ef2566glennrp 791716ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79188e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79198e58efdecda887b08ef730d68290a61081ef2566glennrp 79208e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79218e58efdecda887b08ef730d68290a61081ef2566glennrp { 792216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PixelRGBA(r); 792316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79248e58efdecda887b08ef730d68290a61081ef2566glennrp } 7925bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79268e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79278e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79288e58efdecda887b08ef730d68290a61081ef2566glennrp } 79298e58efdecda887b08ef730d68290a61081ef2566glennrp 79308e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79318e58efdecda887b08ef730d68290a61081ef2566glennrp { 79323e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79338e58efdecda887b08ef730d68290a61081ef2566glennrp { 793491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->colormap[i]); 79358e58efdecda887b08ef730d68290a61081ef2566glennrp } 79368e58efdecda887b08ef730d68290a61081ef2566glennrp } 79378e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 16 */ 79388e58efdecda887b08ef730d68290a61081ef2566glennrp } 79398e58efdecda887b08ef730d68290a61081ef2566glennrp 79408e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 4) 79418e58efdecda887b08ef730d68290a61081ef2566glennrp { 79428e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 8 79438e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 8-bit */ 794491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->background_color); 79458e58efdecda887b08ef730d68290a61081ef2566glennrp 79468e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79478e58efdecda887b08ef730d68290a61081ef2566glennrp { 794816ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79498e58efdecda887b08ef730d68290a61081ef2566glennrp 795016ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79518e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79528e58efdecda887b08ef730d68290a61081ef2566glennrp 79538e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79548e58efdecda887b08ef730d68290a61081ef2566glennrp { 795516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PixelRGBA(r); 795616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79578e58efdecda887b08ef730d68290a61081ef2566glennrp } 7958bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79598e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79608e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79618e58efdecda887b08ef730d68290a61081ef2566glennrp } 79628e58efdecda887b08ef730d68290a61081ef2566glennrp 79638e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79648e58efdecda887b08ef730d68290a61081ef2566glennrp { 79653e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79668e58efdecda887b08ef730d68290a61081ef2566glennrp { 796791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->colormap[i]); 79688e58efdecda887b08ef730d68290a61081ef2566glennrp } 79698e58efdecda887b08ef730d68290a61081ef2566glennrp } 79708e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 8 */ 79718e58efdecda887b08ef730d68290a61081ef2566glennrp } 79728e58efdecda887b08ef730d68290a61081ef2566glennrp else 79738e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 2) 79748e58efdecda887b08ef730d68290a61081ef2566glennrp { 79758e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 797691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 79778e58efdecda887b08ef730d68290a61081ef2566glennrp 79788e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79798e58efdecda887b08ef730d68290a61081ef2566glennrp { 798016ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79818e58efdecda887b08ef730d68290a61081ef2566glennrp 798216ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79838e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79848e58efdecda887b08ef730d68290a61081ef2566glennrp 79858e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79868e58efdecda887b08ef730d68290a61081ef2566glennrp { 798716ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 798816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79898e58efdecda887b08ef730d68290a61081ef2566glennrp } 7990bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79918e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79928e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79938e58efdecda887b08ef730d68290a61081ef2566glennrp } 79948e58efdecda887b08ef730d68290a61081ef2566glennrp 79958e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79968e58efdecda887b08ef730d68290a61081ef2566glennrp { 79973e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79988e58efdecda887b08ef730d68290a61081ef2566glennrp { 799991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 80008e58efdecda887b08ef730d68290a61081ef2566glennrp } 80018e58efdecda887b08ef730d68290a61081ef2566glennrp } 80028e58efdecda887b08ef730d68290a61081ef2566glennrp } 80038e58efdecda887b08ef730d68290a61081ef2566glennrp 80048e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 80058e58efdecda887b08ef730d68290a61081ef2566glennrp { 80068e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 800791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 80088e58efdecda887b08ef730d68290a61081ef2566glennrp 80098e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 80108e58efdecda887b08ef730d68290a61081ef2566glennrp { 801116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 80128e58efdecda887b08ef730d68290a61081ef2566glennrp 801316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 80148e58efdecda887b08ef730d68290a61081ef2566glennrp break; 80158e58efdecda887b08ef730d68290a61081ef2566glennrp 80168e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 80178e58efdecda887b08ef730d68290a61081ef2566glennrp { 801816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 801916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 80208e58efdecda887b08ef730d68290a61081ef2566glennrp } 8021bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 80228e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 80238e58efdecda887b08ef730d68290a61081ef2566glennrp break; 80248e58efdecda887b08ef730d68290a61081ef2566glennrp } 80258e58efdecda887b08ef730d68290a61081ef2566glennrp 80268e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 80278e58efdecda887b08ef730d68290a61081ef2566glennrp { 80283e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 80298e58efdecda887b08ef730d68290a61081ef2566glennrp { 803091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 80318e58efdecda887b08ef730d68290a61081ef2566glennrp } 80328e58efdecda887b08ef730d68290a61081ef2566glennrp } 80338e58efdecda887b08ef730d68290a61081ef2566glennrp } 80348e58efdecda887b08ef730d68290a61081ef2566glennrp else 80358e58efdecda887b08ef730d68290a61081ef2566glennrp { 80368e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 803791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 80388e58efdecda887b08ef730d68290a61081ef2566glennrp 80398e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 80408e58efdecda887b08ef730d68290a61081ef2566glennrp { 804116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 80428e58efdecda887b08ef730d68290a61081ef2566glennrp 804316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 80448e58efdecda887b08ef730d68290a61081ef2566glennrp break; 80458e58efdecda887b08ef730d68290a61081ef2566glennrp 80468e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 80478e58efdecda887b08ef730d68290a61081ef2566glennrp { 804816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 804916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 80508e58efdecda887b08ef730d68290a61081ef2566glennrp } 8051bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 80528e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 80538e58efdecda887b08ef730d68290a61081ef2566glennrp break; 80548e58efdecda887b08ef730d68290a61081ef2566glennrp } 80558e58efdecda887b08ef730d68290a61081ef2566glennrp 80568e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 80578e58efdecda887b08ef730d68290a61081ef2566glennrp { 80583e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 80598e58efdecda887b08ef730d68290a61081ef2566glennrp { 806091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 80618e58efdecda887b08ef730d68290a61081ef2566glennrp } 80628e58efdecda887b08ef730d68290a61081ef2566glennrp } 80638e58efdecda887b08ef730d68290a61081ef2566glennrp } 8064cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8065cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 806667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 806767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 806870e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8069a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 80702b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 80712b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 80722b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 80732b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 80748e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 80752b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 80762b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 80772b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80783faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8079cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8080cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8081cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8082cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8083cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8084cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8085c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 808616ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 80878640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 80888640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 80898640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8090c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Normally we run this just once, but in the case of writing PNG8 8091e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8092e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 80938ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 80948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 80958ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 80968ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8097c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 809882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 80998ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 810082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8101d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 810282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 81038ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8104d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8105d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* BUILD_PALETTE 8106d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8107d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8108d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8109d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8110d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8111d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8112d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8113d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8114d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8115d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 81168a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8117d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8118d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8119d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8120d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8121d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8122d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8123d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8124d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8125d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 81263c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8127d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8128d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 81298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 813016ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8131d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8132d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8133d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 81348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 813516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 813616ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8137d6bf1617e99df0272b231855a933a74e99b6578fglennrp 813816ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 813916ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8140fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8141fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8142d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8143d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8144d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8145d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8146d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8147d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8148d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8149d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8150d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8151d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8152d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81538a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 815403812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8155d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 81563c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8157fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 81587ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 81597ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8160d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 81618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 816216ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 81632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8164d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 81657ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 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); 81737ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 81742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8175d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8176d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8177d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8178d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8179d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8180d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8181d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8182d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8183d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8184d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 818516ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8186d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8187d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8188d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81892cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8190d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8191d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 819283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8193d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 819416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 819516ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 81967ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 81978d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 81988d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81998d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8200d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82017ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8202d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8203fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8204fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8205fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 82062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8207d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8208d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8209d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82107ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 821116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8212d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 821397fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8214d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8215d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 82168a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait || 821716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 82188d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8219d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 82208d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8221d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8222d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 822316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 822416ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8225d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8226d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8227d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8228d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8229d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 823016ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8231d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8232d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8233d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 823416ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8235d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8236d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 823716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 823816ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8239d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82408d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 82418d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 824216ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 82438d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8244d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 82458d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8246d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8247d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 824816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 824916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 825016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 825116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 825216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 825316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 825416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 825516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8256972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8257d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8258d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8259d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8260d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8261d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 826216ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8263d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8264d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8265d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8266d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8267d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8268d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8269d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 827016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8271d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82728d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 82738d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8274d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8275d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8276d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8277d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8278d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8279d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 828016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8281d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8282d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82838d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8284d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8285d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 828616ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 828716ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 828816ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8289d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8290d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8291d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8292d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8293d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8294d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8295d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 829616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8297d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8298d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 830016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8301d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8302d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83033c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 83044054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 83054054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8306d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8307d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8308d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8309d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8310c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8311c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8312c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8313c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8314c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8315c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8316c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8317c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8318d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8319d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8320ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8321ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8322ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8323ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8324d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8325d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 832603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 83278e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8328c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8329388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8330c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8331c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8332c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8333c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8334c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8335c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 833603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8337a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8338a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8339a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8340d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8342d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 83433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8344a080bc32a4a8b2ffec83fd836a28753959175363glennrp if (mng_info->write_png8 != MagickFalse && image_colors > 256) 8345a080bc32a4a8b2ffec83fd836a28753959175363glennrp { 8346a080bc32a4a8b2ffec83fd836a28753959175363glennrp /* No room for the background color; remove it. */ 8347a080bc32a4a8b2ffec83fd836a28753959175363glennrp number_opaque--; 8348a080bc32a4a8b2ffec83fd836a28753959175363glennrp image_colors--; 8349a080bc32a4a8b2ffec83fd836a28753959175363glennrp } 8350a080bc32a4a8b2ffec83fd836a28753959175363glennrp 8351d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8352d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8353d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8354d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8355d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 83563241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8357d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8358d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8359d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8360d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 83628d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 83638d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 83648d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8365fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8366d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8367d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 83680fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 83690fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 83703d9f5ba107b160e1819bb6baeeb3a9f521e9f450cristy if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 83710fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 83727fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 83730fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 83740fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 83750fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 837680ebb4df61f1272808ddecfb9b79219e9dfd5e56glennrp if (IssRGBColorspace(image->colorspace) != MagickFalse) 83770fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 837880ebb4df61f1272808ddecfb9b79219e9dfd5e56glennrp ping_have_color=MagickTrue; 83790fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickTrue; 83800fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 83813241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8382d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8383d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8384d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8385d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8386d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83876185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 838816ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8389d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 83906185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8391e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8392e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8393e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 839416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 839516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8396e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8397e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8398e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8399e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8400e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 840116ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8402e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8403e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8404e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8405e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8406e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8408d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84106185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 84156185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 841616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 841716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8420e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 842216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8423d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8424e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8426bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8427bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 84284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 843116ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8433bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8435d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8437d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8439d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8441d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8443d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 84453241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8447d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 84483241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8453d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8454d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8455c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8456c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8457bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8470d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8474d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8479d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84803241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8487d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 84886185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8489d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8490d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8491d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8492d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 84932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8495d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8498d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8499d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 850016ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 85023faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 85033faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8504d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8505d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8506d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8507d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8510d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8511d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8512d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8513bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8514d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8515d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8516d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8517d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8518fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8519fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8520d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8521d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 852216ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85233c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 852416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 85263c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8527d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8528d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 853003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 85318a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if ((image->alpha_trait != BlendPixelTrait || 853216ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 853316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 853416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 853516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 85366185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 853716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8538d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 85396185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 854003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 854116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8542d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8544d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8545d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8547d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8548d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8549d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8550d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8551d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8552d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8554d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8555d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8556d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 855816ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 855983c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856272988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8565d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8566d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8567d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8568d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8569d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 857016ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8571d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85726185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 85736185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 85743c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8577d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8579d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 85803c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8581d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8582d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 85833c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8586d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8587d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 858803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8590d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 85926185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8593d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8594d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8595d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8596d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 85976185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8598d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8599d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8600d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8601a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8602d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8603d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8604d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8605a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8606d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8607d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8608d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8609d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8610d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8611d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8612d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 86136185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 861403812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 861503812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8616d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86173c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8618c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8619c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8620fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8621c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8622c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8623c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8624c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8625c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8626c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8627fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8628c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8629130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8630130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8631130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8632c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8633130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8634c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8635c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8636c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8637fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8638c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8639c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 864016ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8641fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 864216ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8643c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8644fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8645c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8646c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 864716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 86488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 864916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 865016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 86518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 86528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 865316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 865416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8655c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8656bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8657c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8658c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8659fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8660c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8661c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8662c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 866316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 866416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 866516ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8666c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8667c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8668c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8669c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8670c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8671e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8672e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8673e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8674c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8675d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8676d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8677d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8678d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8679d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8680d337164012450d70d62e71cf4a308a29004f7d57glennrp 8681d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8682d337164012450d70d62e71cf4a308a29004f7d57glennrp 868391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8684d337164012450d70d62e71cf4a308a29004f7d57glennrp 8685d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8686d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8687d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8688d337164012450d70d62e71cf4a308a29004f7d57glennrp 8689d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8690d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8691d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8692d337164012450d70d62e71cf4a308a29004f7d57glennrp { 869316ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8694d337164012450d70d62e71cf4a308a29004f7d57glennrp 869516ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8696d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8697d337164012450d70d62e71cf4a308a29004f7d57glennrp 8698d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8699d337164012450d70d62e71cf4a308a29004f7d57glennrp { 870016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 870154cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 870216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8703d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8704bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8705d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8706d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8707d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8708d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8709d337164012450d70d62e71cf4a308a29004f7d57glennrp 8710d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 8711d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 8712d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8713d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8714d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8715d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 87168e58efdecda887b08ef730d68290a61081ef2566glennrp 8717d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 8718d337164012450d70d62e71cf4a308a29004f7d57glennrp { 871991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 8720d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8721d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8722d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 8723d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8724d337164012450d70d62e71cf4a308a29004f7d57glennrp 872582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 872682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 872782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 872882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 872982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 873082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 873182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 873282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 873391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 873482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 873582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 873682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8737e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 873882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 873982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 874082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 874182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 874282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 874316ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 874482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 874516ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 874682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 874782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 874882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 874982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 875016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 875116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 875216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 875382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8754bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 875582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 875682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 875782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 875882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 875982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 876082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 876182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 876282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 876382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 876482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8765e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 876682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 876782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 876891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 876982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8770d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8771d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 877282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8773c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 87748ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8775c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8776c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8777c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8778c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 8779c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 87808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 87818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 87823faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 87833faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 87843faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 87853faa9a3fb01696daaf976d595f492cb530bffb21glennrp 878691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 8787fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8788c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8789c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8790e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 8791fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8792c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 8793c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8794c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8795c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 879616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 87978d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 879816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8799c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8800c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8801c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8802c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 880316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 880454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 880516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8806c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8807bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8808c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8809c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8810c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8811c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8812c722dd852e8abe407c2846d39662f7ade9c234deglennrp 8813c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 8814c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 8815c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8816c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8817c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8818e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 8819c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 8820c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 882191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 8822c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8823c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8824c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8825c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8826c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 88278ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 88288ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 88298ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp /* Take care of special case with 256 colors + 1 transparent 88318ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 88328ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 88338ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 88348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 88358ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 88368ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 88378ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 88388ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 88408ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8841bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88428ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 88438ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88448ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 88458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 884616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8847bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 884816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 88498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8850bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 88528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 885316ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 885416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 885516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 885616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 88578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 885816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 88598ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 886016ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 88618ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8862bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88638ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 88648ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8865bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 88668ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88678ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88688ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 88698ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 88708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88718ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 88728ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88738ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 88748ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 88758ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 88768ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 88778ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 88788ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88798ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 88818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8882fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8883fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 8884fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8885fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 8886fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 8887fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 8888fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 88890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 88900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 88910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 8892d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 88930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 88940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 88950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 88960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 88970e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 88980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 88990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 89008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 8901d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 89020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 89030b206f5daa453dc1035db5890cabc899736dc2d0glennrp 89040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 89050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 8906fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 8907fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 8908fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 89095a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 89105a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 89115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 8912fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 89135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 89145a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 8915fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8916fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 8917fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8918fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 8919fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8920fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8921fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 8922fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 8923fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 892416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 8925fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 8926fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8927fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 8928fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8929fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 8930fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 893116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8932fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8933fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8934fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 8935fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 893616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 893716ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 893816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 893916ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 894016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 894116ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 894216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 8943fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8944fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8945fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8946fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8947fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 894816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8949fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8950bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8951fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8952fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8953fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8954fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8955fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8956fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 895767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 895867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 895967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 8960fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 896167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 896267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 896367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 896467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 8965fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 896667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 896767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 8968fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8969fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8970bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8971fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8972fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8973fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8974fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8975fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 8976fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8977fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8978fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8979fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 8980fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8981fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8982fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8983fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8984fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 89853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 89863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 89873c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 89883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 8989f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 8990b0a657e13c4aefba39c51292005427b47277869dcristy image_matte=image->alpha_trait == BlendPixelTrait ? MagickTrue : MagickFalse; 899183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 89920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 89931273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp image_colors <= 256 && image->colormap != NULL; 89943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 899552a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 899652a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 899752a479ca718756af72f96e127f8256499ab68f76glennrp { 899816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 899916ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 900016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 900115e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 900216ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 900352a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 900452a479ca718756af72f96e127f8256499ab68f76glennrp } 900552a479ca718756af72f96e127f8256499ab68f76glennrp 90063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 90083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 901016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 901116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 901216ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9013cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9014cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 90150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 901716ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9018cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 90190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 90223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 90230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 90250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 90273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 90293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 9033cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 90343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 90413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 90423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9045edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 9046cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 90473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9048edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9049edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (ping_pixels != (unsigned char *) NULL) 9050edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 9051edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9052edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9053edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9054edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 905516ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 905616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 905716ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 905816ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 90593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 90603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9061edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9062edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9063edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9064edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9065edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9066edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9067edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 9068edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9069edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9070edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90749bf97b6c2143eb20c330346b01e82102cc082725glennrp 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 907725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 90783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 907925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 908025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 908125024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 908225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 908325024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 908425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 908525024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 90862b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 90883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 90893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 90903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 90912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90942b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 90962b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 90974e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 90984e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 90992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 91013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 91020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 91043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 91050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 91073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 91083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 91090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 91120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 91143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 91150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9119e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 91203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9121e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 91223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91238a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 91243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91258640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 91263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91278640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 91283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91298640fb5e9b1094f35f8beab436f81661b8a99448glennrp 91303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 91315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9132dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 913326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 91343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 913526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 913626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 913716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 91383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 91393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9141dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9142dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 91433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 91453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9146dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9147823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 914816ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9149823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 915016ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 91513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9152dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 91533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 91543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9155dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 915616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 915716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 91583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9159991d11dd9c33e65872778b81aff1347cd2878154glennrp 91603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 91613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9162dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 916316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 916416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 91653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9166991d11dd9c33e65872778b81aff1347cd2878154glennrp 9167823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9168823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9169823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9170823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9171823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9172991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 91733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 917426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 91753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9176a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 917726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 917826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9179a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 91803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9181a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9182a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9183a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9184a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9185a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9186a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 91870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9188a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9189a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 91900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9191a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9192a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 91930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9194a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9195a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 91960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9197a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9198a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 91990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9200a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9201a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 92020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9203a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9204a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9205c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9206c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 92070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 92080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 92103b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 92113b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92123b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9213c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9214c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9215c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 92163b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 92173b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92183b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 92193b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 92200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 922226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 92233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 92263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 92283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 92290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92301273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 92313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9233fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 92340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 92350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 92378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 92388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 92390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 92410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 92420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 92430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 92440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 92460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9248f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 92490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 92510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 92520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 92530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 92540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 92550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 92560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 925767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 92580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 925967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 926067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 926167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 92620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 92633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 92652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 92668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 92678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 92688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 92695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 927058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 92718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 92730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 92740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 92750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 92768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 92773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 92798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 92800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92822cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 92838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 92840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 92860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 92870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 92898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 92908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92921273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 92934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 92941273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 92951273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 92961273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 92971273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 92984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 92994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 93004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9303c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9304c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9305c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9306c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9307c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9308c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9309c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 93104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 93120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93137e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png24 || mng_info->write_png_colortype == 3) 93143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 93165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93197e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png32 || mng_info->write_png_colortype == 7) 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 93280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 93320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 93345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 93353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 93378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 93388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 93397c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 93407c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 93417c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93427c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 93433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93457c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93493c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 93500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9351d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 93528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 93530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9354d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 93553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9360d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 93633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 93643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 93675aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 93685aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 93695aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 93707c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 93717c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (image_info->type == UndefinedType || 93727c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp image_info->type == OptimizeType)) 93733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 93758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 93765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 93775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93785aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 93795aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 93805aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93820b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 93835aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 93855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 93865aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 93885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 93895aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93905aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 93915aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93925aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 93935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 93945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 93958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 93960b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 93975aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 93985aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 93995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 94005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 94015aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 94020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 94035aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 940726c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94088640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 940926c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 94105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 94110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 94120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 94130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 94140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 94150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 94160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 94173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9418d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9419d6bf1617e99df0272b231855a933a74e99b6578fglennrp 94205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 94213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94228a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait && ping_have_non_bw == MagickFalse) 94238d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94258640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 94273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 942835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 94295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 94300f111984738842d27d04aed2a3f823d82a943506glennrp 94310f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 94320f111984738842d27d04aed2a3f823d82a943506glennrp { 94330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9434edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 94350f111984738842d27d04aed2a3f823d82a943506glennrp } 94360f111984738842d27d04aed2a3f823d82a943506glennrp 943735ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 94385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9439d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9441d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9442d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9443d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9444d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 94450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9446d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9447d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9448d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 94490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9450d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9451d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 94523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 94545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 94552b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94591a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 94601a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 94611a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 94620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9464e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 94650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9467e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 94680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94703c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 94718640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 94728640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94738640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9474e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 94753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 947758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 94783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 94804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94817c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 94827c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 94837c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 94842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94857c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 94867c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 94877c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 94882b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 94904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 94913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 94934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 94954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 94964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9497a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 94984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 94997c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 95007c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 95017c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 95024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 95054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9507bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 95083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 95124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 95130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 95154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 95160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 95184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 95190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 95214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 95220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 95244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 95250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 95274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 95280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 95304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 95310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 953316ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 95344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 95350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 95370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 95394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 95424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9544fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9545fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9546fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9547fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9548fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 95494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 95524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95537c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 95547c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 95550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 95574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 95594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 95604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 95614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 95624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 95654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 95664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 95683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 95705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 95715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 95725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 95733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95768640fb5e9b1094f35f8beab436f81661b8a99448glennrp 95773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95792e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 95803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 95810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 958239992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 95833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 95848d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 95858d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 95863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 958735ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 95880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 95909c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 95910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95927c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 95933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 95954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 95963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 95974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 95994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 96024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 96044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 96083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 96090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9610136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9611d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9612f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 96130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 96155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 96160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 96205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 96213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 96233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 96250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 962635ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9627bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 96285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 96330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 96343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 96371a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 96383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 96393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 96403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 96413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 96423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 96463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 96473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 96493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 96513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 96533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 96544bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 96563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96572b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 96599c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 96600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 96629c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 96630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 96659c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 96663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 96695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 96753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 967617a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 967717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 96793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 96823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 968558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 96863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96879c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 96880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96893b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 96909c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96919c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 96923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9696bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 96973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 96993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 97003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 97013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97033b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 97043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 970598156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 9706f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 97070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 970839992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 97093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 9712d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 97133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9714befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 9715befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 9716befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 97175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 9718befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 97190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 972016ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 97215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 97223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 97250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 972658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 97270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 9729d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 9730d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 97310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 97323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9733d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 9734d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 97370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 97380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9739d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 97400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 9741c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9742c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9743c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9744c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 9745c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9746d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 9747d6bf1617e99df0272b231855a933a74e99b6578fglennrp 9748d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 9749d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9750750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 975116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 9752d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 97593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9760c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 97613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 97623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 97630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 97653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 97674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 97704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 97714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 97724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 97734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 97744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 97755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 97765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 97775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 97785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 97794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 97804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 97814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 97844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 97854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 97864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 97874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 97883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97914383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 97924383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 97932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 97963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 97975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 97983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 97993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 98013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 98023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 980335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 980435ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 980535ef824baa82511126ff0072ae30eee0da9c05a3cristy 980622ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 980926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 98103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 981116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 981216ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 981316ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 981416ea139d53d867211d3bb0fa859a83de653f687ecristy 98153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98168f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 981716ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 981816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 981916ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 982016ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 98213b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 9822991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 982326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 98243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98253e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 98263e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98273e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 98283e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 98293e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 98309be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 98313e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 98323e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 98333e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 98343e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98353e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 98363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 983717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 983826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 983926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 98401273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 984117a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 984217a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 984317a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 984417a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 984517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 984617a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 984717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9848a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 9849a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 985017a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 985117a1485544c62993fc7a94e343c87fed5f3e6407glennrp 985217a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 985317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 98543b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 98580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9859a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 986013d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 9861a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 98620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 98633b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 98643b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 98680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 98690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 98700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 98710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9872a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 987317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9874d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 98753c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 98763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 98773b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98783b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 98793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 98803c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 988117a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 988226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 988317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98861a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 98871a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 98903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 98930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 98950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 98980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 98990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 99010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 99050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99064054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 99074054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 990810d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 990910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991010d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 991110d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 991210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 991410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0: Use Z_HUFFMAN_ONLY strategy with the 991610d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 991710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 991810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 991910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 992110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 992310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 992410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 992510d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 992610d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 9927750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 992810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 992910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 993010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 993110d739ef54404090a55cb8977fc51f85cafa81a5glennrp a MNG, othewise "none". Did not work in IM-6.7.0-9 993210d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 993310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 993410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 8: Z_RLE strategy, all filters 99351868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 993610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 993710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 9: Z_RLE strategy, no PNG filters 99381868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 993910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 994010d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 994110d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 994216ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 994316ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 994410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 994510d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 994610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 99490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99501868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 99511868258559ddf946fa73ef72dd43507b32623705glennrp { 99521868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 99531868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 99541868258559ddf946fa73ef72dd43507b32623705glennrp } 9955750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 99561868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9961bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 99620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99631868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 99641868258559ddf946fa73ef72dd43507b32623705glennrp } 99650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99661868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 99671868258559ddf946fa73ef72dd43507b32623705glennrp { 99681868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 9969a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 9970a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 9971a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 9972a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 9973a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99761868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 99771868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 99781868258559ddf946fa73ef72dd43507b32623705glennrp 99791868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99811868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99831868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 99841868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 99850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99861868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 99871868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99881868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 99891868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 99900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99911868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99921868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99944054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 999510d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99961868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 99974054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 99984054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 99991868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100001868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 100011868258559ddf946fa73ef72dd43507b32623705glennrp else 100021868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100031868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 100041868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 100053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100071868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 100081868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 100090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100101868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 100111868258559ddf946fa73ef72dd43507b32623705glennrp { 100121868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 100131868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 100141868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 100151868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 100161868258559ddf946fa73ef72dd43507b32623705glennrp else 100171868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 100181868258559ddf946fa73ef72dd43507b32623705glennrp } 100194054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 100201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 100211868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1002210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 100231868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 100241868258559ddf946fa73ef72dd43507b32623705glennrp { 100251868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 100261868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 100271868258559ddf946fa73ef72dd43507b32623705glennrp { 100281868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 100291868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 100301868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 100311868258559ddf946fa73ef72dd43507b32623705glennrp } 100321868258559ddf946fa73ef72dd43507b32623705glennrp#endif 100334054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 100341868258559ddf946fa73ef72dd43507b32623705glennrp } 100350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100361868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 100371868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 100380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100391868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 100401868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 100411868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 100420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100431868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 100441868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 100451868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 100462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100470d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 100480d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 100490d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (image->rendering_intent == UndefinedIntent)) 100500d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 100510d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 100520d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 100530d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10054c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10055c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10056c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10058c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 100590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10060c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10061c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10062c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10063c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10064c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1006526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10066c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10067c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10068c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 1006916ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10070e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10071c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10072e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10073e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10074e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10075c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10076c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1007726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 100780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10079c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10081c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10082c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10083cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10084c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10085c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10086c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10087c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10088c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 100890b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10090c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10091c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10092c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 100930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10094c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10095c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 100960d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 101015f11bf96e873e4051dcb4682ec3b225ff46c36aeglennrp (image->rendering_intent != UndefinedIntent)) 101023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1010326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1010426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1010526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1010626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1010726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1010826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1010926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1011026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 101110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1011226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10113cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10114cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 1011526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1011726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 101185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 101193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101212cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 101222cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1012326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1012426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 101343b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 101363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1013726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 1013926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1014126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1014226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1014326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1014426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1014526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 1014626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 1014726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1014826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1014926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1015026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1015126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1015226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1015326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1015426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1015526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1015626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1015726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1015826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1015926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1016026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1016126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1016226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1016326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1016426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1016526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1016626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10168dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 101695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 101723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 101733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101745d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10176d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 101798d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 101803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 101822b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 101835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 101845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 101853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 101888d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 101895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 101930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 101945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 101965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10197991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 101980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 102030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 102040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 102060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 102070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 102083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 102093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102115d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth=%u, Computed depth=%u", 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 102135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 102143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 102163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 102173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102195d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type=%u, Computed color type=%u", 102203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 102215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102240e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 102253bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 102265d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy "Cannot write image with defined png:bit-depth or png:color-type."); 102273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102298a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image_matte != MagickFalse && image->alpha_trait != BlendPixelTrait) 102303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 10232b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait = BlendPixelTrait; 1023316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageAlpha(image,OpaqueAlpha,exception); 102340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10235b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 10236b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10237b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 102383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102400e319739731741c52a6303723e0c8678a0df5579glennrp if (number_transparent != 0 || number_semitransparent != 0) 10241e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 10242991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 10243c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10244991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 10245c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10246c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10247c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 10248c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10249e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 10250e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 102513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 102543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 102565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 102575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 102585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 102595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 1026039992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 1026139992b4dd9b12ef752d55b8e402c069698851f72glennrp { 10262f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 102630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102643b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 1026539992b4dd9b12ef752d55b8e402c069698851f72glennrp { 102668640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 102670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10268d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 102690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10270d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10271d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 102720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 102730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 102740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 10275d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 102760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 102770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 102780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10279d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 102800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 102810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 102820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 102830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 102840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 1028539992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1028639992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1028739992b4dd9b12ef752d55b8e402c069698851f72glennrp 1028826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1028926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1029026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10291c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1029226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 10293c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging) 10294c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10295c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10296c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10297c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10298c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10299c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10300c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10301c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10302c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10303c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10304c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10305c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10306c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10307c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1030826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10309991d11dd9c33e65872778b81aff1347cd2878154glennrp 1031026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10311dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1031226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1031326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1031426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1031526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1031626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1031726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10318823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 10319823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging) 10320823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10321823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10322823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10323823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10324823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10325823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10326823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10327823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10328823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10329823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10330823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10331823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10332823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1033326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10334dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10335dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10336dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 103374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10338dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1033926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1034026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1034126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1034226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10343dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1034426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1034526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1034626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1034726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1034826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10349dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10350dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10351dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10352da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10353da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1035416ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10355da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10356da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10357da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10358da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10359da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10360da8f3a7bfddac2680a3069a490db541e7944edafglennrp 103613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10362991d11dd9c33e65872778b81aff1347cd2878154glennrp 1036339992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10364991d11dd9c33e65872778b81aff1347cd2878154glennrp { 103653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 103660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 103690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10370991d11dd9c33e65872778b81aff1347cd2878154glennrp 103710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 103720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 103730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 103740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 103750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10376991d11dd9c33e65872778b81aff1347cd2878154glennrp 103770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 103780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 103800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 103810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 103820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 103830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103843b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 103850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 103860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10387c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 103880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 103890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 103900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 103910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 103920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 103930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10394991d11dd9c33e65872778b81aff1347cd2878154glennrp 103953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10396cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10397da8f3a7bfddac2680a3069a490db541e7944edafglennrp 103983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10399991d11dd9c33e65872778b81aff1347cd2878154glennrp 104003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10401cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 104023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1040326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 104064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1040726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1040826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1040926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1041026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1041126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1041226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1041303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1041426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1041526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1041626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1041726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1041826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1041926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 104203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 104239c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 104243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 104259c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 104263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 104273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 104303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 104323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10434b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10435b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 104367202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 104373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10438b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 104393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10440b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10442b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10443b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10444b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10446b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 104473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10448b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10450b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10451b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 104523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 104543b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 104553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10456b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10457b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 104580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10459b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10460e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10462cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 10463cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 104640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10465cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 10466edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 104670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10471ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 10472ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10473edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 104753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 104763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 104778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 104798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 104808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 104828d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 104838d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 104843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1048616ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 104873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 104880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 104913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 104943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10495bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 104963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 104983b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10500a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1050116ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 105020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1050316ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 105043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 105073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1050816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1050916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 105123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10515bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10516cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 105183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1052316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1052416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10528bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10529cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 105310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105323b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10533b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10534b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 105350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10536cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 105393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 105413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 105503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 1055158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 105525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 105538d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1055516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 105568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 105570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1056316ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 105642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1056516ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1057116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1057216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 105732cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1057516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1057616ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 105772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 105798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10584b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 105853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10586b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 105882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1058916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1059016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10591b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 105922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105933b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10594b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 105962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10597cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 106018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 106038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 106048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1061116ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 106128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 106130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 106178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 106188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 106198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10621b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10622862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 106232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1062416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 106258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 106288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1063016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1063116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 106322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1063416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1063516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 106368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 106398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1064016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10641cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1064216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 106432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 106458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 106478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1065016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1065116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 106522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1065416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1065516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 106562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106573b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10658b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 106602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10661cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10662b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 106638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 106668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 106678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 106688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 106698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 106718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 106728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 106748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 106762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 106788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 106798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 106828640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 106838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 106848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 106862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1068716ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 106882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1068916ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 106908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1069344757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 106944bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 106954bf89731a90c6e03598950223e19e7be7b95d630glennrp 1069616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1069716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1069844757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 106992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 107008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 107018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 107028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 107038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 107052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1070616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10707cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1070816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 107098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 107118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 107128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1071316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1071416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 107152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 107165eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 107175eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 107185eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107191a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 107205eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 107215eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107225eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 107235eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 107245eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 107258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 10726cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 107278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 107308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 107318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 107328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 107338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 107348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 107358640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 107363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 107398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10740b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 10741b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10746b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 107470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10749e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 107500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10752e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 107530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107575d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 107620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107665d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 107710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10776a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10778823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1078026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1078126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1078226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1078326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1078426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1078526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 107862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1078716ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 10788a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10789a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Don't write any "png:" properties; those are just for "identify" */ 10790a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(property,"png:",4) != 0 && 10791a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10792a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 10793a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 10794823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 10795a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 10796a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10797a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 10798a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 10799a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1080026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10801c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 10802c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10803a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 10804a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#if PNG_LIBPNG_VER >= 14000 10805a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 10806a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 10807a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 10808a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 10809a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 10810c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 10811c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 10812c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 108132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10814c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 10815c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 108162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10817c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 10818c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 108192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10820c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1082126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10822c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 10823c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 10824c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 10825c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1082626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 108272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10828c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 10829c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10830c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10831c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 10832c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10833c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10834c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " keyword: %s",text[0].key); 10835c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 10836c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10837c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 10838c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 10839c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1084026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1084126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1084226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 10846cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 108510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 108530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 108553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 108575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 108585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 108623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1086803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 108773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 108783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 108795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 108825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 108933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 10894edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 108950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10902cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1090416ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1090516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1090616ea139d53d867211d3bb0fa859a83de653f687ecristy 1090716ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1090816ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1090916ea139d53d867211d3bb0fa859a83de653f687ecristy 10910b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 10911b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 10912b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 10913b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1091416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 10915b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 109190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10920edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#ifdef PNG_SETJMP_NOT_THREAD_SAFE 10921edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 10922edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 10923edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 10924edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 10925edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 10926edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 10927edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 10930edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 109313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 109343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 109353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 109433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 109453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 109463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1095116ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1095216ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 109573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 109593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1096016ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1096116ea139d53d867211d3bb0fa859a83de653f687ecristy% 109623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 109653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 109673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 109685d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109705a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 109715a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 109745a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 109755a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 10976e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 10977130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 10978130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 10979130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 10980e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 10981e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 10982e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 109835a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 109845a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 109853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 109865a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 109875a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 109885a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 109913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 109925a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 109935a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 109945a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 109955a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 109965a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 109993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 110003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 110010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 110025a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 110035a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 110043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 110063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 110073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11008bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11009bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11010bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 110113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 110133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 110153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 110193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 110273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% If the image cannot be written without loss with the requested bit-depth 110295a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% and color-type, a PNG file will not be written, and the encoder will 110305a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% return MagickFalse. 110315a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 110323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 110343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 110355a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1103616ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 110403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 110443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 110453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 110463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 110483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 110503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11051bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11052bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 110533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 110563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11057bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 110583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11059bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 110620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11063d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 110640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 110650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 110660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11067cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 110680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11069d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11070d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 110715d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11072d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11073d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11074d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11075d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 110760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1108016ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1108321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1108421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1108521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 110873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 1109521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 110965c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 110975c7cf4e469a4dad7e277783749155932252c52dfglennrp 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11106fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1111173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 111120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 111150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11121a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 111253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11130b381a2618e8bb9e1e76299676711d0ec1063feabglennrp value=GetImageOption(image_info,"png:format"); 11131b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11132b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (value != (char *) NULL) 11133b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11134b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11135b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11136b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11137b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 11138b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11139b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11140b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11141b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11142b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11143b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11144b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11145b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11146b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11147b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11148b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11149b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11150b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11151b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 11152b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11153b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11154b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 111553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 111563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111579c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 111589c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111599c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111649c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 111659c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111669c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111688a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 1116916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 111700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111719c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1117216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 111730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1117416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 111783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111799c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 111809c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 111819c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 111820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111838a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 1118416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 111850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111869c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1118716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 111880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1118916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 111938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 111943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 111979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 111980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 112009c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 112010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 112039c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 112040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 112069c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 112070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 112099c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 112100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11211bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1121216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11213bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11214bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11215bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11216bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112189c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11219bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 112230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 112289c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 112290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1123016ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1123116ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1123216ea139d53d867211d3bb0fa859a83de653f687ecristy 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 112349c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 112350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 112379c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 112380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 112409c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 112410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 112439c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 112440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11245bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1124616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11247bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11248bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11249bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11250bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 112513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112529c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11253d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 112543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 112570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112580dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 112590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 112600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112615d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 112620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 112630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 112640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 112650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 112660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 112680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112695d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 112705d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 112710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 112720dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 112730dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 112740dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11275aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11276aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11277aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 112780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 112800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 112810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 112820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 112840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 112850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 112860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 112880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 112890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 112900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11291104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 112920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 112930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1129426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1129526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11296a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1129726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1129826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1129926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1130026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1130126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1130226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1130326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1130426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11305a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1130626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1130726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1130826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1130926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 113108d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 113118d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 113128d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageArtifact(image,"png:preserve-colormap"); 113138d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 113148d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageOption(image_info,"png:preserve-colormap"); 113158d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 113168d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 113178d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 113181868258559ddf946fa73ef72dd43507b32623705glennrp /* Thes compression-level, compression-strategy, and compression-filter 113191868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 113201868258559ddf946fa73ef72dd43507b32623705glennrp */ 113211868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-level"); 113221868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 113231868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-level"); 113241868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 113251868258559ddf946fa73ef72dd43507b32623705glennrp { 113261868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 113271868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 113281868258559ddf946fa73ef72dd43507b32623705glennrp */ 113291868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 113301868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 113311868258559ddf946fa73ef72dd43507b32623705glennrp 113320ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 113331868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 113341868258559ddf946fa73ef72dd43507b32623705glennrp 113351868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 113361868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 113371868258559ddf946fa73ef72dd43507b32623705glennrp 113381868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 113391868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 113401868258559ddf946fa73ef72dd43507b32623705glennrp 113411868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 113421868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 113431868258559ddf946fa73ef72dd43507b32623705glennrp 113441868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 113451868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 113461868258559ddf946fa73ef72dd43507b32623705glennrp 113471868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 113481868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 113491868258559ddf946fa73ef72dd43507b32623705glennrp 113501868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 113511868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 113521868258559ddf946fa73ef72dd43507b32623705glennrp 113531868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 113541868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 113551868258559ddf946fa73ef72dd43507b32623705glennrp 113561868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 113571868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 113581868258559ddf946fa73ef72dd43507b32623705glennrp 113591868258559ddf946fa73ef72dd43507b32623705glennrp else 1136016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 113611868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 113621868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 113631868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 113641868258559ddf946fa73ef72dd43507b32623705glennrp } 113651868258559ddf946fa73ef72dd43507b32623705glennrp 113661868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-strategy"); 113671868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 113681868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-strategy"); 113691868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 113701868258559ddf946fa73ef72dd43507b32623705glennrp { 113711868258559ddf946fa73ef72dd43507b32623705glennrp 113721868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 113731868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 113741868258559ddf946fa73ef72dd43507b32623705glennrp 113751868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 113761868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 113771868258559ddf946fa73ef72dd43507b32623705glennrp 113781868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 113791868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 113801868258559ddf946fa73ef72dd43507b32623705glennrp 113811868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1138298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 113831868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1138498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1138598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1138698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 113871868258559ddf946fa73ef72dd43507b32623705glennrp 113881868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1138998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 113901868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1139198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1139298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1139398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 113941868258559ddf946fa73ef72dd43507b32623705glennrp 113951868258559ddf946fa73ef72dd43507b32623705glennrp else 1139616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 113971868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 113981868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 113991868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 114001868258559ddf946fa73ef72dd43507b32623705glennrp } 114011868258559ddf946fa73ef72dd43507b32623705glennrp 114021868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-filter"); 114031868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 114041868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-filter"); 114051868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 114061868258559ddf946fa73ef72dd43507b32623705glennrp { 114071868258559ddf946fa73ef72dd43507b32623705glennrp 114081868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 114091868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 114101868258559ddf946fa73ef72dd43507b32623705glennrp * 114111868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 114121868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 114131868258559ddf946fa73ef72dd43507b32623705glennrp */ 114141868258559ddf946fa73ef72dd43507b32623705glennrp 114151868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 114161868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 114171868258559ddf946fa73ef72dd43507b32623705glennrp 114181868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"1") == 0) 114191868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 114201868258559ddf946fa73ef72dd43507b32623705glennrp 114211868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 114221868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 114231868258559ddf946fa73ef72dd43507b32623705glennrp 114241868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 114251868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 114261868258559ddf946fa73ef72dd43507b32623705glennrp 114271868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 114281868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 114291868258559ddf946fa73ef72dd43507b32623705glennrp 114301868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 114311868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 114321868258559ddf946fa73ef72dd43507b32623705glennrp 114331868258559ddf946fa73ef72dd43507b32623705glennrp else 1143416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 114351868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 114361868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 114371868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 114381868258559ddf946fa73ef72dd43507b32623705glennrp } 114391868258559ddf946fa73ef72dd43507b32623705glennrp 1144003812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 1144103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 114425c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 114435c7cf4e469a4dad7e277783749155932252c52dfglennrp { 114445c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11445acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114465c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 11447acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11448acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11449acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 11450acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 114515c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11452acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114535c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 1145426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11455acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11456acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 11457acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11458acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1145903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1146003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1146126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1146203812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1146303812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1146426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1146503812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1146626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1146703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 114682cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 114692cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 114702cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114712cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 114722cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 114732cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114742cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 114752cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1147603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1147703812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1147803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1147903812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1148003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1148103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1148203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1148303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1148403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1148503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11486a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1148703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1148803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1148903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1149003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1149103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1149203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1149303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1149403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11495a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1149603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1149703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1149803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1149903812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1150003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 115012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1150203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1150303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1150403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1150503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11506a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1150703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1150803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1150903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1151003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1151103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1151203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1151303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1151403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11515a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1151603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1151703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1151803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1151903812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 115202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1152203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 115232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1152503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 115262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11527a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11528a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 11529a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1153003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1153103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 115322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1153403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 115352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1153703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 115382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153903812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1154003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1154103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 1154203812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 115432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1154403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1154503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 115462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1154703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1154803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 115492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1155003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1155103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 115522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11553a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11554a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 115552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1155603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1155703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 115582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11559a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11560a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 11561a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1156203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1156303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 115642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1156503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1156603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 115672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1156803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1156903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 115702cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1157103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11572ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1157326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1157426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 115755c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 115765c7cf4e469a4dad7e277783749155932252c52dfglennrp { 115775c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11578acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 115795c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 11580acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11581acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11582acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 11583acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 115845c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11585acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 115865c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 1158726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11588acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11589acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 11590acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11591acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1159203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1159303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1159403812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1159503812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1159626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1159703812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1159826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1159903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 116002cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 116012cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 116022cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 116032cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 116042cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 116052cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 116062cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 116072cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1160803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1160903812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1161003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1161103812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1161203812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1161303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1161403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1161503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1161603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11617a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1161803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1161903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1162003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1162103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1162203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1162303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1162403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1162503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11626a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1162703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1162803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1162903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1163003812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1163103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 116322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1163303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1163403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1163503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1163603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11637a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1163803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1163903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1164003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1164103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1164203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1164303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1164403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1164503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11646a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1164703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1164803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1164903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1165003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 116512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1165203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1165303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 116542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1165503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1165603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 116572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11658a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11659a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 11660a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1166103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1166203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 116632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1166403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1166503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 116662cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1166703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1166803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 116692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1167003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1167103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1167203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 1167303812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 116742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1167503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1167603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 116772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1167803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1167903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 116802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1168103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1168203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 116832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11684a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11685a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 116862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1168703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1168803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 116892cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11690a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11691a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 11692a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1169303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1169403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 116952cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1169603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1169703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 116982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1169903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1170003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 117012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1170203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11703ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1170426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1170526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1170603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 1170726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1170826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 117095d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1171026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1171126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1171226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1171326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1171426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1171526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 11716a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 11717a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11718a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1171926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1172026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1172226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1172326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1172526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1172626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1172726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 1172826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 1172926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1173026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 1173226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 1173326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1173426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1173626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1173726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1173926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1174026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1174126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1174226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1174326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1174426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 11745a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 11746a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11747a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1174826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1174926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1175026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1175126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1175226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1175326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1175426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1175526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1175626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1175726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1175826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11759b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 117603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1176116ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 117623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 117640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 117670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 117693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 117703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 117723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 117743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1177516ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 117763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 117773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 117783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 117793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 117813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 117823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1178403812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 117853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 117863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 117883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 117893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 117913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 117923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 117933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 117943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 117963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 117973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 117983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 117993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 118003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11801bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1180259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 118033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 118043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 11806fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 118073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 118093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 118103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 118113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 118133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 118148a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image_info->type==TrueColorMatteType || image->alpha_trait == BlendPixelTrait; 118153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1181659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1181759575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1181859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1181959575fa5c228308a41d7f5028390be2083aaaf6dglennrp 11820750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1182159575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1182259575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1182359575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1182459575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 118253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 118273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 118290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 118313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1183316ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 118340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 118360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 118383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 118390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 118430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1184416ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 118453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 118463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 118473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 118488a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 118498f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1185016ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1185116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 118523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 118533b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 118543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 118553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1185659575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1185759575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1185859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1185959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1186059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1186159575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 118623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 118643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 118663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 118677fb2652ba366fc984d1dbb0c66560b91c57dab78cristy TrueColorType && IsImageGray(image,exception)) 118683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 118693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1187059575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1187159575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1187259575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1187359575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1187459575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1187559575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 1187659575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (transparent) 1187759575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1187859575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1187959575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1188059575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1188159575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1188259575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1188359575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1188459575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1188559575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1188659575fa5c228308a41d7f5028390be2083aaaf6dglennrp 118873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 118883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 118903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 118923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 118933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1189416ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 118953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1189616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 118973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 119003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 119013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 119033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 119043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 119053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11906cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 11907cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 11908cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 119093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1191016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 119113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1191316ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 119143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 119153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 119163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1191916ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 119203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1192216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 119233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 119253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 119263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 119273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 119303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1193116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 119323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 119330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11936e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 11937e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 119383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 119413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 119423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 119433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 119443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 119473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 119483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1194903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 119504e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 119514e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 119523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 119533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 119543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 119553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 119563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 119573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 119583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 119593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 119603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 119613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 119623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11965f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 119660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11968f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 119690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 119720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 119750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 119780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 119810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 119840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 119870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 119900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 119933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 11996cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 119973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 120003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 120033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 120063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 120093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 120103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 120113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 120123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12013bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 120143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 120153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 120173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 120183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12020bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 120213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1202203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 120233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 120243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 120253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 120263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 120273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 120283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 120293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 120303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 120313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 120323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 120333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 120343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 120373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 120403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 120423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1204303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 120440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12046e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12047cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12048e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 120490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12051e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12052cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12053e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 120540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 120563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 120573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 120613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 120643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 120663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1206703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1206835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 120693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 120703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 120713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 120743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 120753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 120773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 120783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 120813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 120833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1208403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 120853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1208635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1208735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 120883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1208935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1209035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 120913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1209235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1209335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 120943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1209535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1209635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 120973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 120983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 120993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1210216ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 121033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 121053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 121063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 121073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 121083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1210903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 121103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 121113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1211235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1211316ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 121140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1211535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1211616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 121170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 121193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 121223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 121243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1212535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1212616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 121270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1212835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1212916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 121300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 121353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1213616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1213716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 121483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1215203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12153bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12154bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 121623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1216303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 121653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 121663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 121673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 121683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 121753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12176bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 121773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 121783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12179bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 121803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 121813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 121833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12185e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12186f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 121893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 121903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12191bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 121923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 121943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 121950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 121973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12199bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1220003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 122023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 122043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12210e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12211e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 122123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 122143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 122193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12221e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12222bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 122233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1222403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 122253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 122263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 122273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 122283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 122293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 122353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 122383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 122393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1224616ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 122473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 122523b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 122533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1225616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12260e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12261e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 122643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 122650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1226659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1226759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1227516ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 122760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12280e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12281e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 122823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12284e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12288bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 122893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1229003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12301cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 123043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1230603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 123130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 123323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1233516ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1233616ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 123413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1234416ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1234516ea139d53d867211d3bb0fa859a83de653f687ecristy% 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1234816ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1234916ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1235221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1235303812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 123583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12367fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1236816ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1237673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 123853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1238816ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 123893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 123933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 123973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1239916ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1240016ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1240921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 124113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1241203812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1241303812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1241403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 124153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 124163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 124173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 124203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 124313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12432bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12442bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12445bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 124473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12449d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 124573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 124593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 124603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12463fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1246416ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1247273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 124793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 124803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 124813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 124823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 124883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 124923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 124953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 124963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 124973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 124993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 125003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 125043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 125083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 125130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12515e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 125160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 125213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12524e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 125250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12527e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 125280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125298a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (p->alpha_trait) 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 125320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 125360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 125383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 125400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 125440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 125463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12547e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 125480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 125520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 125623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 125653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 125663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 125673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 125693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 125903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 125993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 126073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 126143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 126150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 126183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 126220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126238a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (next_image->alpha_trait) 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 126250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 126278a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (next_image->alpha_trait || next_image->page.x || next_image->page.y || 126283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 126293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 126303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 126310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 126340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 126360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 126383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 126393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 126400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 126423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 126468a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 126480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 126503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126517fb2652ba366fc984d1dbb0c66560b91c57dab78cristy if (IsImageGray(image,exception) == MagickFalse) 126523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 126593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 126680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 126710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 126750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1267716ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1267816ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 126800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 126973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 126983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 127103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 127113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 127143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 127153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 127173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127320261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 12733d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 12734d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1273516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1273616ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 12737d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 12738d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 12739d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 12745cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 12746cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 127490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 127520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 127543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 127550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 127573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 127613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1277603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 127774e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 127784e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 127890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 127980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 128073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 128100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 128190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 12837bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1283803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 128413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1285203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 128563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 128570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 128600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 128630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12867e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 12868e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 128690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12872e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 128730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12876e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 128793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 128833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 128853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 128863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1289203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 128930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12895e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12896cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12897e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 128980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12900e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12901cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12902cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 129030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 129053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1291803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1291935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1293403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1293635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1293735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1293935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1294035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1294235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1294335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1294535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1294635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1295216ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1295903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 129600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 129623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1296335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1296416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 129650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1296635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1296716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 129680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1297635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1297716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 129780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1297935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1298016ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 129810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 129833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1298716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1298816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 129893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129998a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (write_mng && (image->alpha_trait || image->page.x > 0 || 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1300703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1302003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13031bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 130333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1304003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 130410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13042bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1304416ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1304516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1304616ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1304716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1304816ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1304916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 130733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 130803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 130853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13089bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 130903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 130943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1309503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 130960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13097bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 130983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 131003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 131073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 131143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13116bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 131173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1313603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 131433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1316503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 131683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 131763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1317703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 131783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 131843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 131883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 131894e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 131993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 132023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 132033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1320616ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 132073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 132083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 132143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 132152f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13216b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 132178d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 132182f2e514554975d510c88df54de98c6cdc1080f1cglennrp 132192f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 132202f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 132212f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13222a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 132232f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 132242f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 132252f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 132262f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 132272f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 132282f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 132292f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 132302f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13231a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 132322f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 132332f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 132342f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 132352f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1323616ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 132373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 132403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 132423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 132503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 132510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 132533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 132540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 132560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 132583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 132603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 132613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 132633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 132653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1326603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 132750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 132780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 132803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13281d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1328239992b4dd9b12ef752d55b8e402c069698851f72glennrp 132833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 132843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 132853bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 132863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 132880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 132913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1329239992b4dd9b12ef752d55b8e402c069698851f72glennrp 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 132943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 132953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 132963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13297d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 132983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13299