png.c revision 16ea139d53d867211d3bb0fa859a83de653f687e
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" 5016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color.h" 5116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color-private.h" 5216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colormap.h" 5316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace.h" 5416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace-private.h" 5516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/constitute.h" 5616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/enhance.h" 5716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception.h" 5816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception-private.h" 5916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/geometry.h" 6016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/histogram.h" 6116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image.h" 6216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image-private.h" 6316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/layer.h" 6416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/list.h" 6516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/log.h" 6616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/MagickCore.h" 6716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/memory_.h" 6816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/module.h" 6916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor.h" 7016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor-private.h" 7116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/option.h" 7216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel.h" 7316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel-accessor.h" 7416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/profile.h" 7516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/property.h" 7616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 7716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/resource_.h" 7816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/semaphore.h" 7916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 8016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/static.h" 8116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/statistic.h" 8216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string_.h" 8316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string-private.h" 8416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/transform.h" 8516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/utility.h" 863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 87286a6355c4544b794da2b6df973faad07c69e541glennrp 887ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 90faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 917ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 927ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 93991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 94faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 95faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 96faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 978371ecc013ff231ce380d8717e517312e62e1f01glennrp/* #define PNG_DEPSTRUCT Access to this struct member is deprecated */ 985b927348e949d94f3a64b055eccb03459f115c69glennrp 995b927348e949d94f3a64b055eccb03459f115c69glennrp/* PNG_PTR_NORETURN does not work on some platforms, in libpng-1.5.x */ 10075cfe702843fd25dba7cb241c05fa65957c67129cristy#define PNG_PTR_NORETURN 101286a6355c4544b794da2b6df973faad07c69e541glennrp 1023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "png.h" 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "zlib.h" 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* ImageMagick differences */ 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define first_scene scene 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 1093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Optional declarations. Define or undefine them as you like. 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* #define PNG_DEBUG -- turning this on breaks VisualC compiling */ 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Features under construction. Define these to work on them. 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_OBJECT_BUFFERS 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_BASI_SUPPORTED 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_COALESCE_LAYERS /* In 5.4.4, this interfered with MMAP'ed files. */ 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_INSERT_LAYERS /* Troublesome, but seem to work as of 5.4.4 */ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1268e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp (((color).red == (target).red) && \ 1278e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).green == (target).green) && \ 1288e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).blue == (target).blue)) 1293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1318e58efdecda887b08ef730d68290a61081ef2566glennrp/* Macros for left-bit-replication to ensure that pixels 13216ea139d53d867211d3bb0fa859a83de653f687ecristy * and PixelInfos all have the same image->depth, and for use 1338e58efdecda887b08ef730d68290a61081ef2566glennrp * in PNG8 quantization. 1348e58efdecda887b08ef730d68290a61081ef2566glennrp */ 1358e58efdecda887b08ef730d68290a61081ef2566glennrp 1368e58efdecda887b08ef730d68290a61081ef2566glennrp 1378e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR01: Replicate top bit */ 1388e58efdecda887b08ef730d68290a61081ef2566glennrp 13905001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR01PacketRed(pixelpacket) \ 1408e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=(ScaleQuantumToChar((pixelpacket).red) < 0x10 ? \ 1418e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1428e58efdecda887b08ef730d68290a61081ef2566glennrp 14391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketGreen(pixelpacket) \ 1448e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=(ScaleQuantumToChar((pixelpacket).green) < 0x10 ? \ 1458e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1468e58efdecda887b08ef730d68290a61081ef2566glennrp 14791d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketBlue(pixelpacket) \ 1488e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=(ScaleQuantumToChar((pixelpacket).blue) < 0x10 ? \ 1498e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1508e58efdecda887b08ef730d68290a61081ef2566glennrp 15116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PacketAlpha(pixelpacket) \ 15216ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=(ScaleQuantumToChar((pixelpacket).alpha) < 0x10 ? \ 1538e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1548e58efdecda887b08ef730d68290a61081ef2566glennrp 15591d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGB(pixelpacket) \ 156bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 15705001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR01PacketRed((pixelpacket)); \ 15891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketGreen((pixelpacket)); \ 15991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketBlue((pixelpacket)); \ 160bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1618e58efdecda887b08ef730d68290a61081ef2566glennrp 16291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGBO(pixelpacket) \ 163bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 16491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGB((pixelpacket)); \ 16516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PacketAlpha((pixelpacket)); \ 166bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1678e58efdecda887b08ef730d68290a61081ef2566glennrp 168ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR01PixelRed(pixel) \ 16916ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelRed(image,(pixel))) < 0x10 ? \ 1708e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1718e58efdecda887b08ef730d68290a61081ef2566glennrp 17254cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelGreen(pixel) \ 17316ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelGreen(image,(pixel))) < 0x10 ? \ 1748e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1758e58efdecda887b08ef730d68290a61081ef2566glennrp 17654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelBlue(pixel) \ 17716ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelBlue(image,(pixel))) < 0x10 ? \ 1788e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1798e58efdecda887b08ef730d68290a61081ef2566glennrp 18016ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelAlpha(pixel) \ 18116ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) < 0x10 ? \ 1828e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1838e58efdecda887b08ef730d68290a61081ef2566glennrp 18454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelRGB(pixel) \ 185bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 186ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR01PixelRed((pixel)); \ 18754cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelGreen((pixel)); \ 18854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelBlue((pixel)); \ 189bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1908e58efdecda887b08ef730d68290a61081ef2566glennrp 19116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelRGBA(pixel) \ 192bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 19354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelRGB((pixel)); \ 19416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelAlpha((pixel)); \ 195bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 1968e58efdecda887b08ef730d68290a61081ef2566glennrp 1978e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR02: Replicate top 2 bits */ 1988e58efdecda887b08ef730d68290a61081ef2566glennrp 19905001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR02PacketRed(pixelpacket) \ 2008e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2018e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xc0; \ 2028e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2038e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2048e58efdecda887b08ef730d68290a61081ef2566glennrp } 20591d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketGreen(pixelpacket) \ 2068e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2078e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xc0; \ 2088e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2098e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2108e58efdecda887b08ef730d68290a61081ef2566glennrp } 21191d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketBlue(pixelpacket) \ 2128e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2138e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xc0; \ 2148e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 2158e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2168e58efdecda887b08ef730d68290a61081ef2566glennrp } 21716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PacketAlpha(pixelpacket) \ 2188e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 21916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xc0; \ 22016ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum( \ 2218e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2228e58efdecda887b08ef730d68290a61081ef2566glennrp } 2238e58efdecda887b08ef730d68290a61081ef2566glennrp 22491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGB(pixelpacket) \ 225bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 22605001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR02PacketRed((pixelpacket)); \ 22791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketGreen((pixelpacket)); \ 22891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue((pixelpacket)); \ 229bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2308e58efdecda887b08ef730d68290a61081ef2566glennrp 23191d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGBO(pixelpacket) \ 232bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 23391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGB((pixelpacket)); \ 23416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PacketAlpha((pixelpacket)); \ 235bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2368e58efdecda887b08ef730d68290a61081ef2566glennrp 237ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR02PixelRed(pixel) \ 2388e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 23916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 2408e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 24116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 24216ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 24316ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2448e58efdecda887b08ef730d68290a61081ef2566glennrp } 24554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelGreen(pixel) \ 2468e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 24716ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 2488e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 24916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 25016ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 25116ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2528e58efdecda887b08ef730d68290a61081ef2566glennrp } 25354cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelBlue(pixel) \ 2548e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2558e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 25616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xc0; \ 25716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 25816ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 25916ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2608e58efdecda887b08ef730d68290a61081ef2566glennrp } 26116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelAlpha(pixel) \ 2628e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2638e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 26416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xc0; \ 26516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, ScaleCharToQuantum( \ 26616ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 26716ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel) ); \ 2688e58efdecda887b08ef730d68290a61081ef2566glennrp } 2698e58efdecda887b08ef730d68290a61081ef2566glennrp 27054cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelRGB(pixel) \ 271bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 272ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR02PixelRed((pixel)); \ 27354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelGreen((pixel)); \ 27454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue((pixel)); \ 275bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2768e58efdecda887b08ef730d68290a61081ef2566glennrp 27716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelRGBA(pixel) \ 278bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 27954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelRGB((pixel)); \ 28016ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelAlpha((pixel)); \ 281bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2828e58efdecda887b08ef730d68290a61081ef2566glennrp 2838e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR03: Replicate top 3 bits (only used with opaque pixels during 2848e58efdecda887b08ef730d68290a61081ef2566glennrp PNG8 quantization) */ 2858e58efdecda887b08ef730d68290a61081ef2566glennrp 28605001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR03PacketRed(pixelpacket) \ 2878e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2888e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xe0; \ 2898e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2908e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 2918e58efdecda887b08ef730d68290a61081ef2566glennrp } 29291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketGreen(pixelpacket) \ 2938e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2948e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xe0; \ 2958e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2968e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 2978e58efdecda887b08ef730d68290a61081ef2566glennrp } 29891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketBlue(pixelpacket) \ 2998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xe0; \ 3018e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 3028e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3038e58efdecda887b08ef730d68290a61081ef2566glennrp } 3048e58efdecda887b08ef730d68290a61081ef2566glennrp 30591d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketRGB(pixelpacket) \ 306bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 30705001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR03PacketRed((pixelpacket)); \ 30891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketGreen((pixelpacket)); \ 30991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketBlue((pixelpacket)); \ 310bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3118e58efdecda887b08ef730d68290a61081ef2566glennrp 312ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR03PixelRed(pixel) \ 3138e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 31416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3158e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 31616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 31716ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3188e58efdecda887b08ef730d68290a61081ef2566glennrp } 31916ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Green(pixel) \ 3208e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 32116ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3228e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 32316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 32416ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3258e58efdecda887b08ef730d68290a61081ef2566glennrp } 32616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Blue(pixel) \ 3278e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 32816ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelBlue(image,(pixel))) \ 3298e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 33016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 33116ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3328e58efdecda887b08ef730d68290a61081ef2566glennrp } 3338e58efdecda887b08ef730d68290a61081ef2566glennrp 33416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03RGB(pixel) \ 335bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 336ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR03PixelRed((pixel)); \ 33716ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Green((pixel)); \ 33816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Blue((pixel)); \ 339bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3408e58efdecda887b08ef730d68290a61081ef2566glennrp 3418e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR04: Replicate top 4 bits */ 3428e58efdecda887b08ef730d68290a61081ef2566glennrp 34305001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR04PacketRed(pixelpacket) \ 3448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xf0; \ 3468e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3478e58efdecda887b08ef730d68290a61081ef2566glennrp } 34891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketGreen(pixelpacket) \ 3498e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3508e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xf0; \ 3518e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3528e58efdecda887b08ef730d68290a61081ef2566glennrp } 35391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketBlue(pixelpacket) \ 3548e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3558e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xf0; \ 3568e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3578e58efdecda887b08ef730d68290a61081ef2566glennrp } 35816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PacketAlpha(pixelpacket) \ 3598e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 36016ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xf0; \ 36116ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3628e58efdecda887b08ef730d68290a61081ef2566glennrp } 3638e58efdecda887b08ef730d68290a61081ef2566glennrp 36491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGB(pixelpacket) \ 365bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 36605001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR04PacketRed((pixelpacket)); \ 36791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketGreen((pixelpacket)); \ 36891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketBlue((pixelpacket)); \ 369bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3708e58efdecda887b08ef730d68290a61081ef2566glennrp 37191d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGBO(pixelpacket) \ 372bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 37391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB((pixelpacket)); \ 37416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PacketAlpha((pixelpacket)); \ 375bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3768e58efdecda887b08ef730d68290a61081ef2566glennrp 377ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR04PixelRed(pixel) \ 3788e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 37916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3808e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 38116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 38216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3838e58efdecda887b08ef730d68290a61081ef2566glennrp } 38454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelGreen(pixel) \ 3858e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 38616ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3878e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 38816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 38916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3908e58efdecda887b08ef730d68290a61081ef2566glennrp } 39154cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelBlue(pixel) \ 3928e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3938e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 39416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xf0; \ 39516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 39616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 3978e58efdecda887b08ef730d68290a61081ef2566glennrp } 39816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelAlpha(pixel) \ 3998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 40116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xf0; \ 40216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 40316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4048e58efdecda887b08ef730d68290a61081ef2566glennrp } 4058e58efdecda887b08ef730d68290a61081ef2566glennrp 40654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelRGB(pixel) \ 407bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 408ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR04PixelRed((pixel)); \ 40954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelGreen((pixel)); \ 41054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelBlue((pixel)); \ 411bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4128e58efdecda887b08ef730d68290a61081ef2566glennrp 41316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelRGBA(pixel) \ 414bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB((pixel)); \ 41616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelAlpha((pixel)); \ 417bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4188e58efdecda887b08ef730d68290a61081ef2566glennrp 4198e58efdecda887b08ef730d68290a61081ef2566glennrp 4208e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR08: Replicate top 8 bits */ 4218e58efdecda887b08ef730d68290a61081ef2566glennrp 42205001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR08PacketRed(pixelpacket) \ 4238e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4248e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red); \ 4258e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits)); \ 4268e58efdecda887b08ef730d68290a61081ef2566glennrp } 42791d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketGreen(pixelpacket) \ 4288e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4298e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green); \ 4308e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits)); \ 4318e58efdecda887b08ef730d68290a61081ef2566glennrp } 43291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketBlue(pixelpacket) \ 4338e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4348e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue); \ 4358e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits)); \ 4368e58efdecda887b08ef730d68290a61081ef2566glennrp } 43716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PacketAlpha(pixelpacket) \ 4388e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 43916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha); \ 44016ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits)); \ 4418e58efdecda887b08ef730d68290a61081ef2566glennrp } 4428e58efdecda887b08ef730d68290a61081ef2566glennrp 44391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketRGB(pixelpacket) \ 444bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 44505001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR08PacketRed((pixelpacket)); \ 44691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketGreen((pixelpacket)); \ 44791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketBlue((pixelpacket)); \ 448bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4498e58efdecda887b08ef730d68290a61081ef2566glennrp 45091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR08PacketRGBO(pixelpacket) \ 451bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 45291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGB((pixelpacket)); \ 45316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PacketAlpha((pixelpacket)); \ 454bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4558e58efdecda887b08ef730d68290a61081ef2566glennrp 456ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR08PixelRed(pixel) \ 4578e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4588e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 45916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelRed(image,(pixel))); \ 46016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 46116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4628e58efdecda887b08ef730d68290a61081ef2566glennrp } 46354cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelGreen(pixel) \ 4648e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4658e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 46616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,(pixel))); \ 46716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 46816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4698e58efdecda887b08ef730d68290a61081ef2566glennrp } 47054cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelBlue(pixel) \ 4718e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4728e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 47316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))); \ 47416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 47516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4768e58efdecda887b08ef730d68290a61081ef2566glennrp } 47716ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PixelAlpha(pixel) \ 4788e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4798e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 48016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))); \ 48116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 48216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits)), (pixel)); \ 4838e58efdecda887b08ef730d68290a61081ef2566glennrp } 4848e58efdecda887b08ef730d68290a61081ef2566glennrp 48554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR08PixelRGB(pixel) \ 486bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 487ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR08PixelRed((pixel)); \ 48854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelGreen((pixel)); \ 48954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelBlue((pixel)); \ 490bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4918e58efdecda887b08ef730d68290a61081ef2566glennrp 49216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR08PixelRGBA(pixel) \ 493bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 49454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR08PixelRGB((pixel)); \ 49516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PixelAlpha((pixel)); \ 496bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4978e58efdecda887b08ef730d68290a61081ef2566glennrp 4988e58efdecda887b08ef730d68290a61081ef2566glennrp 4998e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR16: Replicate top 16 bits */ 5008e58efdecda887b08ef730d68290a61081ef2566glennrp 50105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR16PacketRed(pixelpacket) \ 5028e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5038e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).red); \ 5048e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleShortToQuantum((lbr_bits)); \ 5058e58efdecda887b08ef730d68290a61081ef2566glennrp } 50691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketGreen(pixelpacket) \ 5078e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5088e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).green); \ 5098e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleShortToQuantum((lbr_bits)); \ 5108e58efdecda887b08ef730d68290a61081ef2566glennrp } 51191d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketBlue(pixelpacket) \ 5128e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5138e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).blue); \ 5148e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleShortToQuantum((lbr_bits)); \ 5158e58efdecda887b08ef730d68290a61081ef2566glennrp } 51616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PacketAlpha(pixelpacket) \ 5178e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 51816ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned short lbr_bits=ScaleQuantumToShort((pixelpacket).alpha); \ 51916ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleShortToQuantum((lbr_bits)); \ 5208e58efdecda887b08ef730d68290a61081ef2566glennrp } 5218e58efdecda887b08ef730d68290a61081ef2566glennrp 52291d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketRGB(pixelpacket) \ 523bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 52405001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR16PacketRed((pixelpacket)); \ 52591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketGreen((pixelpacket)); \ 52691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketBlue((pixelpacket)); \ 527bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5288e58efdecda887b08ef730d68290a61081ef2566glennrp 52991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR16PacketRGBO(pixelpacket) \ 530bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 53191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGB((pixelpacket)); \ 53216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PacketAlpha((pixelpacket)); \ 533bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5348e58efdecda887b08ef730d68290a61081ef2566glennrp 535ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR16PixelRed(pixel) \ 5368e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5378e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 53816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelRed(image,(pixel))); \ 53916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 54016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5418e58efdecda887b08ef730d68290a61081ef2566glennrp } 54254cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelGreen(pixel) \ 5438e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5448e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 54516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,(pixel))); \ 54616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 54716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5488e58efdecda887b08ef730d68290a61081ef2566glennrp } 54954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelBlue(pixel) \ 5508e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5518e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 55216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,(pixel))); \ 55316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 55416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5558e58efdecda887b08ef730d68290a61081ef2566glennrp } 55616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PixelAlpha(pixel) \ 5578e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 5588e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned short lbr_bits= \ 55916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelAlpha(image,(pixel))); \ 56016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 56116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleShortToQuantum((lbr_bits)),(pixel)); \ 5628e58efdecda887b08ef730d68290a61081ef2566glennrp } 5638e58efdecda887b08ef730d68290a61081ef2566glennrp 56454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR16PixelRGB(pixel) \ 565bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 566ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR16PixelRed((pixel)); \ 56754cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelGreen((pixel)); \ 56854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelBlue((pixel)); \ 569bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5708e58efdecda887b08ef730d68290a61081ef2566glennrp 57116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR16PixelRGBA(pixel) \ 572bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 57354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR16PixelRGB((pixel)); \ 57416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PixelAlpha((pixel)); \ 575bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 5768e58efdecda887b08ef730d68290a61081ef2566glennrp 5773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 5793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 5803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 5813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef SETJMP_IS_THREAD_SAFE 5833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_SETJMP_NOT_THREAD_SAFE 5843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 5873ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 588cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_semaphore = (SemaphoreInfo *) NULL; 5893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 5933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 5943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 5953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 5973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 6003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 6013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 6023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 6033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 6053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 6083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 6093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 6103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 6113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 6123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 6133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 6143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 6163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 6173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 6183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 6193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 6203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 6213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 6223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 625bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 6263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 6273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 6283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 6353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 6363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 64085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 64185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 64285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 64385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 64485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 64585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 64685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 64785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 64885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 64985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 65085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 65185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 65285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 65385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 65485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 65585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 65685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 65785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 65885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 65985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 66085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 66185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 66285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 66385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 66485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 66585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 66685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 66785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 66885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 66985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 67085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 67185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 67285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 6733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 67585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 67685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 67785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 67885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 67985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 68085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 6813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristyOther known chunks that are not yet supported by ImageMagick: 68585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 68685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 68785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 68885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 68985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 69085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 69185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 69285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 6933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6953ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 6983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 7023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 7073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 7103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 7123ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 715bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 7163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 7273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 7383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 7393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 7623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 793bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83935ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 849b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 850b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 851b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 8533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 8691868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_level, 8701868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_strategy, 8711868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_filter, 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 877bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 8783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 8793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 8983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 8993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 91026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 91126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 91226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 913a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 91426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 91526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 91626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 91726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 91826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 91926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 92026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 92126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 922a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 92326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 92426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 9258d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_exclude_zTXt, 9268d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap; 92726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 9293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 93516ea139d53d867211d3bb0fa859a83de653f687ecristy WritePNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 93816ea139d53d867211d3bb0fa859a83de653f687ecristy WriteMNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 94216ea139d53d867211d3bb0fa859a83de653f687ecristy WriteJNGImage(const ImageInfo *,Image *,ExceptionInfo *); 9433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 9460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 947fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 9490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 95016ea139d53d867211d3bb0fa859a83de653f687ecristyLosslessReduceDepthOK(Image *image,ExceptionInfo *exception) 9510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 9529d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp /* Reduce bit depth if it can be reduced losslessly from 16+ to 8. 95367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 95467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * This is true if the high byte and the next highest byte of 95567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * each sample of the image, the colormap, and the background color 9563faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are equal to each other. We check this by seeing if the samples 9573faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are unchanged when we scale them down to 8 and back up to Quantum. 95867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 95967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * We don't use the method GetImageDepth() because it doesn't check 9603faa9a3fb01696daaf976d595f492cb530bffb21glennrp * background and doesn't handle PseudoClass specially. 9619d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp */ 96205a549971fd661147ade177e2bc10f6cfcfc32b4glennrp 9633faa9a3fb01696daaf976d595f492cb530bffb21glennrp#define QuantumToCharToQuantumEqQuantum(quantum) \ 9643faa9a3fb01696daaf976d595f492cb530bffb21glennrp ((ScaleCharToQuantum((unsigned char) ScaleQuantumToChar(quantum))) == quantum) 9653faa9a3fb01696daaf976d595f492cb530bffb21glennrp 96667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp MagickBooleanType 96767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ok_to_reduce=MagickFalse; 96867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp 96903e11f6e8d7f01a32b53d7e8e6a3bfd5ef1c5c9dglennrp if (image->depth >= 16) 9700c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9710c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 97216ea139d53d867211d3bb0fa859a83de653f687ecristy const Quantum 9730c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 9740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 9763faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.red) && 9773faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.green) && 9783faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.blue) ? 9793faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 9820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 9840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 9860c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9873faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce=( 9883faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9893faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].red) && 9903faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9913faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].green) && 9923faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 9933faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].blue)) ? 9943faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9953faa9a3fb01696daaf976d595f492cb530bffb21glennrp 9960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 9973faa9a3fb01696daaf976d595f492cb530bffb21glennrp break; 9980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 10020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 10030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 10050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 10060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 10080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 10090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 10110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 101216ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 10130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 101416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 10150c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10160c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 10170c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10180c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10200c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 10210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10223faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce= 102316ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelRed(image,p)) && 102416ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelGreen(image,p)) && 102516ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelBlue(image,p)) ? 10263faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 10270c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10280c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 10290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 103116ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 10320c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10338640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 10340c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 10350c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10380c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 10390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 10400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1041fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 10420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 1043a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 1044a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 1045a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1046fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 1047a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 10480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 10490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 10500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 10510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 10520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 10530c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1054e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 1055cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_to_PNG_RenderingIntent(const RenderingIntent intent) 10560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1057e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 1058e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1059e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 1060e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 10610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1062e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 1063e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 10640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1065e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 1066e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 10670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1068e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 1069e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 10700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1071e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1072e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 1073e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1074e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1075e610a071534e448c46460a5aa39ede33bf56b329glennrp 1076e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 1077cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_from_PNG_RenderingIntent(const int ping_intent) 10780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1079cf002022280cc4dedb2748ad6f415aac1d44f530glennrp switch (ping_intent) 1080e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1081e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 1082e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 10830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1084e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 1085e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 10860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1087e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 1088e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 10890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1090e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 1091e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 10920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1093e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1094e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 1095e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1096e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1097e610a071534e448c46460a5aa39ede33bf56b329glennrp 1098bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 11020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1106bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 11100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1114dbb105fc25903e800273f7e980c0553060858a68glennrp 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1120dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s G r a y % 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1125dbb105fc25903e800273f7e980c0553060858a68glennrp% % 112616ea139d53d867211d3bb0fa859a83de653f687ecristy% Like IsImageGray except does not change DirectClass to PseudoClass % 1127dbb105fc25903e800273f7e980c0553060858a68glennrp% % 1128dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 113016ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType ImageIsGray(Image *image,ExceptionInfo *exception) 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 113216ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1135bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 1137dbb105fc25903e800273f7e980c0553060858a68glennrp x, 1138dbb105fc25903e800273f7e980c0553060858a68glennrp y; 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 1143dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 1144dbb105fc25903e800273f7e980c0553060858a68glennrp 1145dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1147dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 114816ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelInfoGray(image->colormap+i) == MagickFalse) 1149dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 1150dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1152bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115416ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 115516ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 1156dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 1157dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 1158dbb105fc25903e800273f7e980c0553060858a68glennrp { 115916ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelGray(image,p) == MagickFalse) 1160dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 116116ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 1162dbb105fc25903e800273f7e980c0553060858a68glennrp } 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1164dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 1165dbb105fc25903e800273f7e980c0553060858a68glennrp} 1166d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1284d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1285bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1307a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1315a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132803812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 132903812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1333e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1334e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1336d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1342d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1424f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 14253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14553b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 1456e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1457e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1485bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 15010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 15040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 15620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1576bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1588bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 16043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 16073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 16100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 16150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 16203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 16233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 16243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1628bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1630bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 16313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 163421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 163521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 16363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 163721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1639bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 16403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 16413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 16433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 16440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 16480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 16503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 16603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 16620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 16650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 16673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 16680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 16710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 16763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 16793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 16823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1683bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1684bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1685bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1686bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 16873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 16913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 16923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1704bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 17068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 17078182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 17080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17188182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 172316ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 172416ea139d53d867211d3bb0fa859a83de653f687ecristy{ 172516ea139d53d867211d3bb0fa859a83de653f687ecristy Image 172616ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 172716ea139d53d867211d3bb0fa859a83de653f687ecristy 172816ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 172916ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 173016ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 173116ea139d53d867211d3bb0fa859a83de653f687ecristy 1732cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 17333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 173416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 173516ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 173616ea139d53d867211d3bb0fa859a83de653f687ecristy 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 174016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 174116ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 17420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 174316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 174416ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 174516ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1746c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 174716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 174816ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 174916ea139d53d867211d3bb0fa859a83de653f687ecristy 175016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 175116ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 17520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1753e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 17548371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 17558371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 17568371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1758faa852bad40107edae19405e76a299057668d795glennrp#else 1759faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1760faa852bad40107edae19405e76a299057668d795glennrp#endif 17613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1763cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 17643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 176516ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 176616ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 176716ea139d53d867211d3bb0fa859a83de653f687ecristy 17683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 17693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 17703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 177116ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 177216ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 177316ea139d53d867211d3bb0fa859a83de653f687ecristy 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 17760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 177716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 177816ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 177916ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 178016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 178116ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 17820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 178316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1788cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_voidp Magick_png_malloc(png_structp png_ptr,png_uint_32 size) 17893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1790df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 17923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1797cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17993bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1810cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_read_raw_profile(Image *image, const ImageInfo *image_info, 181116ea139d53d867211d3bb0fa859a83de653f687ecristy png_textp text,int ii,ExceptionInfo *exception) 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1813bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 18153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 18173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 18243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 18433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1846f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 18470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 184897f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 184997f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 185097f90e23c85b9c58387880125c29d8c99126f83aglennrp 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 185716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","invalid profile length"); 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18628723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 18630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 186616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "unable to copy profile"); 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 18733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 18743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 18750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1876bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 188216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","ran out of data"); 18843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 18920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 189916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 19010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 19040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 19273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 19293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 19313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 19323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 19343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 19353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 19373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1938bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 19393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 19400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1941bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 19483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 19553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 19603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 19803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 19823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 19843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1989cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tIME chunk into the date:modify property */ 1990cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 1991cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19964eb3931feb349dd87142c78503b779228f3e1a0fglennrp intent, 1997cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 19994eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 2001faa852bad40107edae19405e76a299057668d795glennrp pass, 2002faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 2003faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 2004faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 2005faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 2006faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 20074eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 20084eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 20094eb3931feb349dd87142c78503b779228f3e1a0fglennrp 20104eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 20114eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 20144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 201716ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 201816ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 201916ea139d53d867211d3bb0fa859a83de653f687ecristy 202016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 202116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 202216ea139d53d867211d3bb0fa859a83de653f687ecristy 2023faa852bad40107edae19405e76a299057668d795glennrp png_bytep 2024faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 2025faa852bad40107edae19405e76a299057668d795glennrp 2026faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 2027faa852bad40107edae19405e76a299057668d795glennrp ping_background, 2028faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 2029faa852bad40107edae19405e76a299057668d795glennrp 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 20383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 20393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2040faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 2041faa852bad40107edae19405e76a299057668d795glennrp ping_height, 2042faa852bad40107edae19405e76a299057668d795glennrp ping_width, 20434eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 20444eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 2045faa852bad40107edae19405e76a299057668d795glennrp 204616ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 204716ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 204816ea139d53d867211d3bb0fa859a83de653f687ecristy 20493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 2050cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 20513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2052bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 2053756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 20543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 20553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 20573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 20583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2059bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 20603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 20623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 206316ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 206739992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2070eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2071eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2072eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 20733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 20743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 20753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 20773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 20783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 20833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 2086fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOnePNGImage()"); 20873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2089cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 20903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 209225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 20933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 20953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 209861b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 209961b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 210061b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 210161b4c957269727a0a2526edc2331881da8346100glennrp { 210261b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 210361b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 210461b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 210561b4c957269727a0a2526edc2331881da8346100glennrp } 210661b4c957269727a0a2526edc2331881da8346100glennrp# endif 210761b4c957269727a0a2526edc2331881da8346100glennrp#endif 210861b4c957269727a0a2526edc2331881da8346100glennrp 210916ea139d53d867211d3bb0fa859a83de653f687ecristy 211016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 21113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 21123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2113a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2114a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 2115a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " image->matte=%d",(int) image->matte); 2116a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 21170e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21180e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21190e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21200e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 212116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21220e319739731741c52a6303723e0c8678a0df5579glennrp 2123cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21244eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2125cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2126cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 21273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 213116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 213216ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 213316ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2134cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2135cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 213716ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2138cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 21563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2159cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 21600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2161faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 21623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2168cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 21693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 21730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 21757b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 217616ea139d53d867211d3bb0fa859a83de653f687ecristy InheritException(exception,exception); 21777b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 21787b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 21790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2185faa852bad40107edae19405e76a299057668d795glennrp 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 21873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 21880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 21903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 21923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 21973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 21993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2221991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2222991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2223991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2237991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2241faa852bad40107edae19405e76a299057668d795glennrp 2242faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2243faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2244faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2245faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2246faa852bad40107edae19405e76a299057668d795glennrp 2247faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2248faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2249faa852bad40107edae19405e76a299057668d795glennrp 2250faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2251faa852bad40107edae19405e76a299057668d795glennrp 2252faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2254faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 2255faa852bad40107edae19405e76a299057668d795glennrp { 2256faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 2257faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 2258faa852bad40107edae19405e76a299057668d795glennrp } 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2260faa852bad40107edae19405e76a299057668d795glennrp 2261faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2263faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2267e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 2268e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 22690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 2272faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 22730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 2276faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 22770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 2280faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2283faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2284faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2289e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2290e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2291e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2292e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2293e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2294e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2295e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2296e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 22973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 23050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2314e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2315e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2316e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy { 231716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 2318e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 2319e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy "unable to copy profile"); 2320ad5b0859c3b4c8d56a62fd922c051eab08a518eccristy return((Image *) NULL); 2321e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy } 232216ea139d53d867211d3bb0fa859a83de653f687ecristy SetStringInfoDatum(profile,(const unsigned char *) info); 232316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,"icc",profile,exception); 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 23293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 23312ea7a8e883de7623d345f32f90ee99248a4a867ecristy { 23322ea7a8e883de7623d345f32f90ee99248a4a867ecristy image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 23332ea7a8e883de7623d345f32f90ee99248a4a867ecristy (mng_info->global_srgb_intent); 23342ea7a8e883de7623d345f32f90ee99248a4a867ecristy } 23350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 23373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2338cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 2339cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (intent); 23400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2343e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 23443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2348faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2349faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2350faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 23510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 23533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 23553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 23583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2360faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2361faa852bad40107edae19405e76a299057668d795glennrp { 2362faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2363faa852bad40107edae19405e76a299057668d795glennrp { 2364faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2365faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2366faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2367faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2368faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2369faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2370faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2371faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2372faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2373faa852bad40107edae19405e76a299057668d795glennrp } 2374faa852bad40107edae19405e76a299057668d795glennrp } 23750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2376faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 23773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 23793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 23803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 23813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 23823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 23843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 23853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 23863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 23870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 23913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2393e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 23943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2395e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 2396cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 2397cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->rendering_intent)); 2398faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 2399faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 2400faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 2401faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 24023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2404faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 24053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2406905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2407905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 24080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 24113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2412e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2413e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 24143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 24163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2417faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2418faa852bad40107edae19405e76a299057668d795glennrp { 2419faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2420faa852bad40107edae19405e76a299057668d795glennrp { 2421faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2422faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2423faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2424faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2425faa852bad40107edae19405e76a299057668d795glennrp } 2426faa852bad40107edae19405e76a299057668d795glennrp } 2427faa852bad40107edae19405e76a299057668d795glennrp 2428faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 24293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 24313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 24323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 24333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 24340881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 243516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 243616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 24370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 24393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 244116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 244216ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 24433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2447e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2448e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2451823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2452faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 24563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 24583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 24610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2463faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 24663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 24690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2470faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 24743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 247516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 24763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 24773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 24783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 24793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 24803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 24813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2482bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 24833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 24843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 24853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 24863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2487faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 24883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 24903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 24913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 24933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 24943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 24953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2496faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2497faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 24980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 25003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 25010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 25033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 25040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 25063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 25070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2508c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2509c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2510c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 25113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 25123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 25143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 251616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 25173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 25183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 25193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2522bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2523faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2524faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 25253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 25260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2527faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 25283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2529bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2530bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2531bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 25323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 25343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 25380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2539bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp /* Scale background components to 16-bit, then scale 2540bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2541bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 2542bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2543bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2544bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 2545bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green,ping_background->blue); 25462cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2547bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 25480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2549bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (ping_bit_depth == 1) 2550bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 25510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2552bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp else if (ping_bit_depth == 2) 2553bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 25540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2555bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp else if (ping_bit_depth == 4) 2556bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 25570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2558bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (ping_bit_depth <= 8) 2559bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 25602cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2561bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2562bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2563bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 25642cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2565bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2566bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 25672cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25682cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 25690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25702cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25712cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 25722cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 2573bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 25742cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2575bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2576faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 25770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2578bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2579faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 25800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2581bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2582bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 25830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 258416ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 25852cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2586bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2587bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2588bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2589bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2590bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2591bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2593bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2594a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2595faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2598a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 25993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 26023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 260335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 260435ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 260535ef824baa82511126ff0072ae30eee0da9c05a3cristy 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2610f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 26113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2612faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2613faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2614faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2615faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2616faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2617faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2623faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 26253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2628a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2629a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2630a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2631a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short = 65535L/((1UL << ping_bit_depth)-1); 2632a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2633a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2634a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2635a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2636a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 263716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 263805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2639faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 26403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26410f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 26420f111984738842d27d04aed2a3f823d82a943506glennrp { 26430f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 26440f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 26450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26460f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 264716ea139d53d867211d3bb0fa859a83de653f687ecristy " scaled graylevel is %.20g.",transparent_color.alpha); 26480f111984738842d27d04aed2a3f823d82a943506glennrp } 264916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 265016ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 265116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 26523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2658faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 26593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 26603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2663faa852bad40107edae19405e76a299057668d795glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2665faa852bad40107edae19405e76a299057668d795glennrp 2666faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2667faa852bad40107edae19405e76a299057668d795glennrp 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2672bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 26733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2674bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2677faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2678faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2689faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2690faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 269116ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 269216ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 269316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colorspace=GRAYColorspace; 2694faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2695faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2697befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2698befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2699befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 27003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2701befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2702befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 270567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 270667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 270767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 270867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2710faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2719bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 27200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 27313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 273216ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 27340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2735faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 27363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 27393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27456af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 27493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27516af6cf1a950b111ad0ac706269a703086693ba71glennrp 275267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 27536af6cf1a950b111ad0ac706269a703086693ba71glennrp { 27546af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 27556af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 27566af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 27576af6cf1a950b111ad0ac706269a703086693ba71glennrp } 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2762bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2765faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 27660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 27690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 27743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 27753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2778147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2779cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 2780cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 2781147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 2782147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 2783147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2784147bc91f6859c598c4f57b6a162111b2f63614d9glennrp /* encode ping_width, ping_height, ping_bit_depth, ping_color_type, 2785147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 2786147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 27873b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 27887cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 278916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.width,height ",msg,exception); 2790147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 27913b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_bit_depth); 279216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.bit_depth ",msg,exception); 2793147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 27943b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_color_type); 279516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.color_type ",msg,exception); 2796147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 27973b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%d", 2798147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (int) ping_interlace_method); 279916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 2800cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 2801147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 28023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 28043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 28063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 28070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28080ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2809347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2810347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 28113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28121b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 28131b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28141b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 28151b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 28163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2818e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 28193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 28203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 28213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2822cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 28233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 28243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 28270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 28293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 28340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2836cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2837cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_rowbytes*sizeof(*ping_pixels)); 28380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2840cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 2841cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2843cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 28450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 28493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 28513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2852faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 28533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 28563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2859cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 28603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 286116ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 286216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = DestroyQuantumInfo(quantum_info); 28630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2864cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 2865cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 28660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 28700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 28727b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 287316ea139d53d867211d3bb0fa859a83de653f687ecristy InheritException(exception,exception); 28747b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 28757b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 28760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 28783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 288016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=AcquireQuantumInfo(image_info,image); 288116ea139d53d867211d3bb0fa859a83de653f687ecristy 288216ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 288316ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 28840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2885c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2886c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2887c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2888c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2889c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2890c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 2891c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 28933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2894c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 2895c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2896c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 2897c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 2898c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 289967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 290067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp int 290167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp depth; 290267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp 290367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp depth=(ssize_t) ping_bit_depth; 290467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 2905c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2906c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2907c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2908c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickTrue : MagickFalse; 29090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2910c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 2911c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2912c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 2913c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 29140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2915c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 2916c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 29170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2918cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 2919c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 292116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 2922c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 29230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 292416ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 292516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 292616ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 29270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 292816ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 292916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 293016ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 29310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 293216ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 293316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 293416ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 29350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 293616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 293716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 293816ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 29390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 294016ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 294116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 294216ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 29433faa9a3fb01696daaf976d595f492cb530bffb21glennrp 2944c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 2945c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2946c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 2947a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 2948a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2949a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 2950a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2951c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 2952c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 29535aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 29545aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 295516ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 2956c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2957a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2958a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2959a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 2960a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2961c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 2962c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2963c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 29644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 29654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 296616ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 296716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 296816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 296916ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 297016ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 297116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 29724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 2973a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2974a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2975a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 29764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 29774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 29784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 297916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 2980c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2981c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 29820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2983c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 2984c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2985c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2986c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 29870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2988c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 2989c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2990c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2991c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 2992c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2993c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 29940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2995c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 29967a287bfadeadea12e47c2376ca78a5d101687142cristy { 2997c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 29987a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 29997a287bfadeadea12e47c2376ca78a5d101687142cristy break; 30007a287bfadeadea12e47c2376ca78a5d101687142cristy } 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3005c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3017c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3018c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3019c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 302016ea139d53d867211d3bb0fa859a83de653f687ecristy 3021faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 30230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 30260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 30290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3030bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3033faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3034c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3037c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3038cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 30400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 304116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 30430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3044cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3046c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3047faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3051bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 30533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3054bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 30553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 3057a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 30623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3063bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 3064a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 30653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 30683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 306947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 30713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3072bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 30733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3074a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 6) & 0x03; 3075a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 4) & 0x03; 3076a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 2) & 0x03; 3077a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++) & 0x03; 30783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 30813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3082bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 3083a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(Quantum) ((*p >> (i*2)) & 0x03); 30843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 308847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 30903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3091bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3093a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p >> 4) & 0x0f; 3094a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++) & 0x0f; 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 3098a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=(*p++ >> 4) & 0x0f; 30990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 310247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3105faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3106bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3108a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 310916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) *p++),q); 311016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 31110b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 311216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3116bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3117a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 31180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 312147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3124bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3125a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3126c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 312758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp size_t 312858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 312958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 313058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3131c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 313258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 313358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3134c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 313558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 313658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3137c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 313858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 31390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3140faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3142c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3143c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3144c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3145c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3146c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3147c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 314816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum(quantum),q); 314916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 315058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 315116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 315258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 315358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 315458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 315558f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 315658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 315747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 315858f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 315958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 316016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 316116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 31620b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 316358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 316416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3167a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 316847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 317147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31753faa9a3fb01696daaf976d595f492cb530bffb21glennrp 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 31800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 318116ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 318216ea139d53d867211d3bb0fa859a83de653f687ecristy 318316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 318416ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3185bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 318616ea139d53d867211d3bb0fa859a83de653f687ecristy { 318716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 318816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 318916ea139d53d867211d3bb0fa859a83de653f687ecristy } 31900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 31930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31947a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 31957a287bfadeadea12e47c2376ca78a5d101687142cristy { 3196cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 31979fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 319847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31997a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32007a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32017a287bfadeadea12e47c2376ca78a5d101687142cristy } 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3203c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32047a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 320747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3211c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 32133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3214c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3215c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=found_transparent_pixel; 3216c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3217c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3218c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3219c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3220c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3221c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3222c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 32235aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 32245aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32255aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3226bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 32275aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 32285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3229c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3230c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3231c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 323216ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 323316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 323416ea139d53d867211d3bb0fa859a83de653f687ecristy 32355c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 32365c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3237aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 32385c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 32395c6f789db7a30bad01ace12b09ad9cd471339e94cristy 32405c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 32415c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 324216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3243aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 32445c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 324547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32464eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3249bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3252cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 32533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 325416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 32553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3256cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 32573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 326347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3264faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 3274c11cf6a442f3046940608a5743a68cc891deb13eglennrp 32753c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3276c11cf6a442f3046940608a5743a68cc891deb13eglennrp 32770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 32780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 32790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3280c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 32810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 32820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 328316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].matte=MagickTrue; 328416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 328516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 32860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3287c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 328847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 32900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 32910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 32920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 32930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 329416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 32950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 329616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].matte=MagickTrue; 329716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 32980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 32990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 33000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 330116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 33020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 330347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3304a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3305a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3306a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 33070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 33080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 33100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 33110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 33120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3313c11cf6a442f3046940608a5743a68cc891deb13eglennrp 331416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3316c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3318a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3319a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3320a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 33210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 33220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 332316ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 332416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 332516ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 332616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 332716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 332816ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 33294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 333016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 33314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 33320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 333367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 33340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 33354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 333616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 33374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3338a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 33390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 334016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 33420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 33440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3345c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 33460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3347a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3348c11cf6a442f3046940608a5743a68cc891deb13eglennrp 33493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 33503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33513c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3352eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 33534eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 33544eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3355a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3356a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 33574eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3358a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3359a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33614eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 33624eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 33634eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 33644eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 33650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33664eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 33674eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33684eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 33690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33704eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (memcmp(text[i].key, "Raw profile type ",17) == 0) 33714eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 337216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) Magick_png_read_raw_profile(image,image_info,text,(int) i, 337316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 33744eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_raw_profiles++; 33754eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 33764eb3931feb349dd87142c78503b779228f3e1a0fglennrp 33774eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 33784eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 33794eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 33804eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 33814eb3931feb349dd87142c78503b779228f3e1a0fglennrp 33824eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 33834eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 33844eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 33854eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 33864eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 338716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 33884eb3931feb349dd87142c78503b779228f3e1a0fglennrp ResourceLimitError,"MemoryAllocationFailed","`%s'", 33894eb3931feb349dd87142c78503b779228f3e1a0fglennrp image->filename); 33904eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 33914eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 33924eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 33934eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 33944eb3931feb349dd87142c78503b779228f3e1a0fglennrp 33954eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 33964eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 33974eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 33984eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 33994eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 34004eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 340116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34034eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34054eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34064eb3931feb349dd87142c78503b779228f3e1a0fglennrp " length: %lu",(unsigned long) length); 34074eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34084eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Keyword: %s",text[i].key); 34093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34114eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 341297f90e23c85b9c58387880125c29d8c99126f83aglennrp } 34134eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 34144eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total += num_text; 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34163c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 34183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 342973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 34300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 34343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 34353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 343747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 344216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 34450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 344716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 34503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 34580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 346016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 34610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 34640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 346616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 34683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 34690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3470faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 34720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3473faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3474faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3475faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3476faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3477faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3478faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3479faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3480faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 34810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3482faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 34953c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 350147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35070a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 35080a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp /* Set image->matte to MagickTrue if the input colortype supports 35090a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 35100a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 35110a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 35120a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 35130a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 35140a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 35150a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp MagickTrue : MagickFalse; 35160a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3517cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3518cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3519cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3520cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3521cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 35224eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3523cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3524cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 35253b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3526613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 352716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text ",msg, 352816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3529cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3530cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3531cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3532cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 35333b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3534cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 353516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 353616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3537cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3538cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3539cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 35405961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 35413b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 35425961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 354316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:cHRM ",msg, 354416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35455961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3546cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3547cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 35485961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 35493b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 35505961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 355116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:bKGD ",msg, 355216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35535961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 35545961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 35553b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 35565961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3557cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3558cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 355916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:iCCP ",msg, 356016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3561cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 35624eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 356316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:tRNS ",msg, 356416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35654eb3931feb349dd87142c78503b779228f3e1a0fglennrp 35664eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 3567cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_sRGB)) 35684eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35693b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 357016ea139d53d867211d3bb0fa859a83de653f687ecristy "intent=%d (See Rendering intent)", (int) intent); 357116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:sRGB ",msg, 357216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35734eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 35744eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 35754eb3931feb349dd87142c78503b779228f3e1a0fglennrp 35764eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 35774eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35783b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 357916ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 358016ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 358116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:gAMA ",msg, 358216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35834eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3584cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 35854eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3586cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 35874eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35883b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 358907523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 35904eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 359116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:pHYs ",msg, 359216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 35934eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 35944eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3595cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 35964eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 35974eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 35984eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35993b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 36004eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 360116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:oFFs ",msg, 360216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 36034eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36044eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 36054eb3931feb349dd87142c78503b779228f3e1a0fglennrp 360607523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 360707523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 360807523c7d2e40370804c2036295571e4b6426f94dglennrp { 36093b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 361007523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 361107523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 361216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:vpAg ",msg, 361316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 361407523c7d2e40370804c2036295571e4b6426f94dglennrp } 3615cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3616cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 36213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3622cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 36233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3624cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 36253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 36263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 36283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 36300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 36323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 36343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 36383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 36393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 36403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 36413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 364321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 364421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 36453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 36463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 36493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 36523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 36583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 36603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 366147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 36643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 366547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3668fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 366916ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 367247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 367547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 368047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3681dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 368347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 368873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 368947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 369247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 370347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 37100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 37180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 372147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 372347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 37290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 373247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 373516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 374016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 37410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 374397f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 374497f90e23c85b9c58387880125c29d8c99126f83aglennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 374597f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.width,(double) image->page.height, 374697f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.x,(double) image->page.y); 374797f90e23c85b9c58387880125c29d8c99126f83aglennrp 374897f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 37500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 37763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 37793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 37873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 37923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 37933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 37963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38024383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 38034383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 38044383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3805bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 38073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 38093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 38143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 38173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 38183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 382516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 38263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3828bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 38313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 383216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 38363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3843bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 38453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 38473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 38483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 38513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 38533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 38543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 38553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 3857fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 38583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 38600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 386116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 38623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 38643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 38690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 387016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 38710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 38740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 39020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 39050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3913e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3914e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 39180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 392147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 39250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3929bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 39310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 393447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 394147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3949bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3951bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 395747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 396047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 396547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3969f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 397047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3972f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 397347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 397647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 398047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 398447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 398847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 399247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 399647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 400047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 400647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 400947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 402573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 402647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 402947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 403116ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 40320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 40390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 40430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 405073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 40510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 405616ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 40570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 40680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 40720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 40840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 40870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 409003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 410747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 411447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 411747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 412647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4134bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 413603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 41450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 415147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 41640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 41710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 41740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 42018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 42020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42118182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 42128182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 42138182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 42148182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 42158182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 42168182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 42178182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 42188182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 422047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4229e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4230cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 424147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42505eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 42515eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 42520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 425947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 42693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 427016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 427116ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 427516ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 427616ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4287fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 432316ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 432947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 43330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43343b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 43360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 43530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 43560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4357bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 435916ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 436116ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 436216ea139d53d867211d3bb0fa859a83de653f687ecristy { 436316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 436416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 436516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 436616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 436716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 436816ea139d53d867211d3bb0fa859a83de653f687ecristy } 436947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 43750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 438603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 43920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 439516ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43973b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 44010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4403bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 440616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 440847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 441016ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 441116ea139d53d867211d3bb0fa859a83de653f687ecristy { 441216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 441316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 441416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 441516ea139d53d867211d3bb0fa859a83de653f687ecristy } 44160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 441816ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 442016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 442116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 442316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 442416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 443847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 443947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 44470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 44480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 44490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 44500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 44510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 44530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 44540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 44550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 44560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 44570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 44590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 44600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 44610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 44620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 44660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 44700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 451221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 451321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 45173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4533fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 453416ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 45370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 45400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 45430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 454447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 454547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 454747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45483b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 45500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 455147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 455247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 455473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 45550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 45580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 455947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 456047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 45680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 45800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 458447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 45900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 45960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46104383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 461121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 461221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 46134383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 463816ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4645bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4651bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 46553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 46593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4668bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 467738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 467838ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 467938ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4680bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 470247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 470347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4709fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 471016ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 47130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 472047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 472147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 472247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 472373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 47240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 47270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 472847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 472947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 473947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 474347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 474447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4747bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4748bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 475247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4795e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4796e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 48000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 48060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 481047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 481347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4814bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 481647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 48260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 482816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 48300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 48370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 483916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 48410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 484647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 48510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 48580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4864bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 48660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4867bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 48690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4873e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4875e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 48798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 48800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 48830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 48870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 48900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 48948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 48980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 49010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 49040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 490916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 491147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 491216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 49130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 49160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 49240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49253b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 4926e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4927f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 49280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4930bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4932bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 49340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 49370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 49500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 49548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 49550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 49580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 49670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4969e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 49700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4972e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 498116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 49840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 49860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 498816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 49910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 499816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 500716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 50150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 50180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 50250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 50260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 50280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 50290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5033e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 5034f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 50350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5037e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 5038f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 50480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 50550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 50600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 50630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 50660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 50780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 50810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 50860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 50890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 50920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 509316ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 510447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 510747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 510847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 51140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5115bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 512235ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 51370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 514147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5147bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 515412560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5162bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 51720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 517947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 518047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 51848182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 51858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 51878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 51898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 51918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 51938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 51958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 520047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 520447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5212e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5213cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 521847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 522247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5225fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 523247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 523547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 523916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 52450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 524947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 52530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 52570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 526047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 526147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 526347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5264bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 526647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 526847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5269bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 528047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 52848182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 52850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 52878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 52880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5289bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5290bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 52910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 52940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 52960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5299e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 530147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5304bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5305bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 53060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5307bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5308bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 53090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5310bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5311bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 53120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 53150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 53170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5320e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 532247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 53280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5332e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5333e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 533447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 53420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5343bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 53450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5346bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5354e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5355e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 53560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 536047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 536116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 536316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 536447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 537147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 53760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 53860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 539616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 53970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5401e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5402e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 541947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 543147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 545547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 545647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5465bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5468bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 548047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5483bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 548747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 548847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5491bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 55023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 550847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5515bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 551847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 551947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 55208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 55210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5524e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5525e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 55260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 55290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 554047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 554447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 555647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 55630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5567e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5568f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 556947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 55740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 557947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 559747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 560147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 560516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 560847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 561147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 56280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 56310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 56340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 564116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 564547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 565147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 565747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 566047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 566647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 566947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 567547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 567847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 568447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 568747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 569347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 569647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 570247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 570547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 571147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 571547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 571916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 572347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 574247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 574616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 574947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 575247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 575616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 575947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 576747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 57838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 57858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 578947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 579616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 579847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 580447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 580616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 580947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5812bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5814bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 58193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 582247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 582547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 582847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 583147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 583447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 583747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 584047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 585147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 585447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 586947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 587647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 587947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 588547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 589347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 58958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5908bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5910bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 591216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 591716ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 591847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 592947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 593647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 593947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 594047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 594147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 595016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5953e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5954e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 596516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 597016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 597147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 597847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 59830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 599347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 600316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 60040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6008e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6009e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 601347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 601416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 601916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 602047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 602747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 60330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 60450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 60540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 606047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 606447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 606947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6070bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 607147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 608347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 609647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 612947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 613247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 613447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 613547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 613747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61404e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 614147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 614447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 614747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 614947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 615047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 615247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 615647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 615947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 616147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 616247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 616447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61674e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 616847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 617147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 617447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 617647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 617747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 618916ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 619016ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 619116ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 619216ea139d53d867211d3bb0fa859a83de653f687ecristy 619316ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 619416ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 619516ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 619616ea139d53d867211d3bb0fa859a83de653f687ecristy 6197bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 620116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 620516ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 620616ea139d53d867211d3bb0fa859a83de653f687ecristy x; 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 620847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 620947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 621347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 621416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 621547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62313faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6239bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 624347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6244bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 624616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 624716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 624816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 624916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 625016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 625116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 625216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 625316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 625416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 625647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 626616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 626747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 627016ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 627116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 627247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 627547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 627847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 628147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6290e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6291bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 629316ea139d53d867211d3bb0fa859a83de653f687ecristy length=(size_t) image->columns*GetPixelChannels(image); 629416ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 629516ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 629647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 629716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 629816ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 630547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 630847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6309bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6312bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 631347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6314bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6315bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 631647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6317bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6318bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 631947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6320bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 632247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6324bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 632547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 632947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6330bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 633647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 633916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6342bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 63469fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 634716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 634816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 634947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6350bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6352fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6361bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 636216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 636316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 636416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 636516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 636616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 636716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 636816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 637047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6374bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 637516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 637616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 637716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 637816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 637916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 638016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 638116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 638216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6383bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 638447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 638816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 638916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 639016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6391bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 639216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 639316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 639416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 639516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6396bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 639716ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 639816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 639916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 640016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6401bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 640216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 640347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 640516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 640616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 640716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6408bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 640916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 641147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 641616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 641716ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 641916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 642016ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 642347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6428bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 642916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 643016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 643116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 643216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 643316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 643416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 643516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 643616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6437bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 643847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6440bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 644116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 644216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 644316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 644416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 644516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 644616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 644716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6448bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 644947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 645216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 645316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 645416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6455bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 645616ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 645916ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 646016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 646116ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 646347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 646647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 646947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 647016ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 647116ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6488e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6490bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 649216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 649616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 649716ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 649847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6499bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6500bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 650216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 65037c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6504bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6505bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 650647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6507bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6508bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 650947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6510bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6511bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 651247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6513bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 651547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 651847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 652416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 652516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 652616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 652716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 652947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6533bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 653416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 653516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 653616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 653716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6538bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 653947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 654016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 654416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 654516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 654616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6547bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 654816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6549bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 655016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 655116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 655216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6553bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 655416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6555bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 655616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 655716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 655816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6559bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 656016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 656216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 656316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 656416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6565bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 656616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 656847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6573bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 657416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 657516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6576bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6578bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 657916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 658016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6581bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 658447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6589bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 659016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 659116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 659216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 659316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6594bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 659547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6597bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 659816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 659916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 660016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 660116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6602bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 660347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 660716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 660816ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 660916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6610bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 661116ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 661416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 661616ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 661716ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 661947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66233faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6629bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 663247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6633bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 663516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 663616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 663716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 663816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 663916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 664016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 664116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 664216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 664316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 664547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 66683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 667947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6695bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6696bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 66973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 670247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 67043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 671447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 672516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 67283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67372b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 67382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 673916ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 67402b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 67412b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 67422b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 67432b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 67442b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 67453faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 6746cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 6747cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 6748cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 6749cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 6750cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 6751cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 675216ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 67538640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6755d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6759bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6762d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6766d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 676847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 677047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 677447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 67850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 678616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 67873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 67893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 67903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 679116ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 679647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 680047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 68023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 68043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 68073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 68083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 68103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 68130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 681516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 68160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 68203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 68210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 68240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 68283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 68293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 683247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 683316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 683647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 68383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 68410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 684647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 684716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 68483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 68493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 68503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 685247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 68543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 686047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 686116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 686547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 68673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 68693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 68703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 687147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 687216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 687447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 687747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 68793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 68803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 68833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 68843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 68850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 68880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 68903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 68910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 68933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 689647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 68983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 69013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 69020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 69040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6907e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6908e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 69090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 69143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 691747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 692047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6922e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 692347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 69273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6928e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 69293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6940bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 694547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 694716ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 694847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 695147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 695447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 696347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 696647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 698347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 69853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 699347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 699647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6998e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6999e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 700047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7002f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7003f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 700447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7005f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7006e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7007e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7008f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7009f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 701047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 70133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 701447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 701747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 70193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 702025c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 70213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 702547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 702847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 70303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 703147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 703625c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 70373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 70513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 70553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7059bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 70603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7062bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 70633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 70643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 70653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 70663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 70693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 70713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 70723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 70743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 707547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 708147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 70853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 70873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 708947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 709347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 710147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 710447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 710947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 71113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 711247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 711547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 712147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 71253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 712647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 71283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 713147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 713447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 71363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 713947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 71433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 714447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 71503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 715447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 715847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 71603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 716547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 716847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 71713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 717347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 71773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 718147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 718647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 71883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 71913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 719447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 71963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 71973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 71983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 720147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 720847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 720918b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7210cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_semaphore=AllocateSemaphoreInfo(); 721118b17443128598500357da7bff2f01683cf32890cristy#endif 721247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 72173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 724347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7245cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 7246cf002022280cc4dedb2748ad6f415aac1d44f530glennrp DestroySemaphoreInfo(&ping_semaphore); 72473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 725125c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 727016ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 727116ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 72723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 727916ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 72823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 72853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 72893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7329cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7336bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 73443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 73580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 73703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 73783b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7379f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 738147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7382bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 738947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 739647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 739947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7405cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 74064383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 742047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 742147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 742247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 742447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7428cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 743047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 743147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 743247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 743347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 743447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 743547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7436cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7437cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7438cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 743947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 744047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 744147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 744247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 744347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 744447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 744547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7446cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 744747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 744947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 745247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7456b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7457b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 745916ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 74603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 746116ea139d53d867211d3bb0fa859a83de653f687ecristy Image 746216ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 746316ea139d53d867211d3bb0fa859a83de653f687ecristy 746416ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 746516ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 746616ea139d53d867211d3bb0fa859a83de653f687ecristy 74673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 74683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 74693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 74713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 74723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 74733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 74743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 74773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 74793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7480cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7481cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7482e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7483e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 74845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 748539992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 748639992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 74873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 74895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 74905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 74915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 74923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 74933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 74943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 74963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 74973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 74995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 75005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 75015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7502bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 75033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 75043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 750658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 750721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 750858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 750958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7510da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7511fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7512d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 75138d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 751439992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7515991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7516991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7517991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 751826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 751926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 752026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7521a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7522e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 752326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 752426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 752526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 752626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 752726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 752826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 752926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7530e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 753126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 753226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 753326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 753426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 75358d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 75360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 75370e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 753882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 75398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7540d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7541d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 754616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 754716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 754816ea139d53d867211d3bb0fa859a83de653f687ecristy 7549bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 7554cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7557f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 75580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 75595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 75605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 75615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 75625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 75635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 75645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7565bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 75665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 75675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7569bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7574dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7575fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7576f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 75778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 75788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 75798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7580dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7581dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7582dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7583dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7584dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7585dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7587fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 758916ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 759016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 759116ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 759216ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7593b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7595cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 75990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 76005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 76015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 76025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 76035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 76045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 76055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 76065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 76075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 76085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 76095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 76105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 76115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 76125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 76135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 76145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 76155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 76165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7617dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 7618dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 7619dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 7620dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7621da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 7622d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 76238d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 762439992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 7625991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 7626991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 7627991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 7628991d11dd9c33e65872778b81aff1347cd2878154glennrp 76290e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 76300e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 7631a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 7632dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 76330e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 76340e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 76350e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 76360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 76370e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 76380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 76390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 7640dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 76410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 76420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 76430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 76440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 76458d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 76460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 76470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 76480d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 76490d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 76500d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 76510d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 76520d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 76530d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 76540d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB == MagickFalse) 76550d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 76560d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 76570d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 76580d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 76590d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 76600d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 76610d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 76620d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 76630d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 76640d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 76650d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 76660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 76670d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 76680d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 76690d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 767016ea139d53d867211d3bb0fa859a83de653f687ecristy (LocaleCompare(name,"ICM") == 0)) 767116ea139d53d867211d3bb0fa859a83de653f687ecristy { 7672ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 7673ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp icheck; 76740d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7675ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp /* 0: not a known sRGB profile 7676ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 1: HP-Microsoft sRGB v2 7677ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 2: ICC sRGB v4 perceptual 7678ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp * 3: ICC sRGB v2 perceptual no black-compensation 7679ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp */ 76800d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy png_uint_32 7681ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_crc[4] = {0, 0xf29e526dUL, 0xbbef7812UL, 0x427ebb21UL}, 7682ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp check_len[4] = {0, 3144, 60960, 3052}; 76830d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7684ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 7685ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 7686ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc; 768729a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7688ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 7689ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 76900d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7691ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 769229a106ed9ec29e243521b0f2a26c14281de8347fglennrp 7693ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp for (icheck=3; icheck > 0; icheck--) 769429a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 7695ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (length == check_len[icheck]) 7696ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7697ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7698ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 7699ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 77000d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7701ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp data=GetStringInfoDatum(profile); 7702ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp profile_crc=crc32(0,data,length); 77030d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 7704ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7705e54cd4b9aa386137b617b4b7fc66436c70466007glennrp " with crc=%8x",(unsigned int) profile_crc); 7706ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 7707ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (profile_crc == check_crc[icheck]) 7708ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 7709ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7710ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " It is sRGB."); 7711ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 7712ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp image->rendering_intent=PerceptualIntent; 7713ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 7714ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 771529a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 77160d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 7717ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (icheck == 0) 771829a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7719ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile", 772029a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 772129a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 77220d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77230d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 77240d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77250d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 77260d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 77278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 77288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 77298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 77308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7731fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7732fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7733fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 7734fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7735fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 7736fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 7737fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7738fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 7739fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 7740fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7741fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 7742fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 774328af3713c9111a471cc868c787760de89236fa3cglennrp 77447e65e93c71716f2a5c03c0808adedae21d519fb2glennrp if (image->storage_class == PseudoClass && 77457e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 77467e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png_colortype != 0 && 77477e65e93c71716f2a5c03c0808adedae21d519fb2glennrp mng_info->write_png_colortype != 4))) 77487e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 774916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 77507e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 77517e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 77527e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 7753c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 775428af3713c9111a471cc868c787760de89236fa3cglennrp { 7755c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 7756c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 7757c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 7758c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 7759c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7760c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 7761e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 7762c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 7763c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 776428af3713c9111a471cc868c787760de89236fa3cglennrp } 7765bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 7766510d06a3f7063e91993e13d546d5685048248074cristy if (IsRGBColorspace(image->colorspace) == MagickFalse) 776716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 77680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77693241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 77703241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 77713241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 77723241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 77733241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 777416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 77753241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7776a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 7777a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 7778a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7779a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 7780a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7781a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 7782a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7783a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 7784a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7785a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 7786a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 77878e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 778867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < MAGICKCORE_QUANTUM_DEPTH) 778967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 779016ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 77918e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 77928e58efdecda887b08ef730d68290a61081ef2566glennrp 77938e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 77948e58efdecda887b08ef730d68290a61081ef2566glennrp { 77958e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 16 77968e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 16-bit */ 779791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->background_color); 77988e58efdecda887b08ef730d68290a61081ef2566glennrp 77998e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 78008e58efdecda887b08ef730d68290a61081ef2566glennrp { 780116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 78028e58efdecda887b08ef730d68290a61081ef2566glennrp 780316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 78048e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78058e58efdecda887b08ef730d68290a61081ef2566glennrp 78068e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 78078e58efdecda887b08ef730d68290a61081ef2566glennrp { 780816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR16PixelRGBA(r); 780916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 78108e58efdecda887b08ef730d68290a61081ef2566glennrp } 7811bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78128e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 78138e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78148e58efdecda887b08ef730d68290a61081ef2566glennrp } 78158e58efdecda887b08ef730d68290a61081ef2566glennrp 78168e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 78178e58efdecda887b08ef730d68290a61081ef2566glennrp { 78183e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 78198e58efdecda887b08ef730d68290a61081ef2566glennrp { 782091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR16PacketRGBO(image->colormap[i]); 78218e58efdecda887b08ef730d68290a61081ef2566glennrp } 78228e58efdecda887b08ef730d68290a61081ef2566glennrp } 78238e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 16 */ 78248e58efdecda887b08ef730d68290a61081ef2566glennrp } 78258e58efdecda887b08ef730d68290a61081ef2566glennrp 78268e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 4) 78278e58efdecda887b08ef730d68290a61081ef2566glennrp { 78288e58efdecda887b08ef730d68290a61081ef2566glennrp#if MAGICKCORE_QUANTUM_DEPTH > 8 78298e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 8-bit */ 783091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->background_color); 78318e58efdecda887b08ef730d68290a61081ef2566glennrp 78328e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 78338e58efdecda887b08ef730d68290a61081ef2566glennrp { 783416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 78358e58efdecda887b08ef730d68290a61081ef2566glennrp 783616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 78378e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78388e58efdecda887b08ef730d68290a61081ef2566glennrp 78398e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 78408e58efdecda887b08ef730d68290a61081ef2566glennrp { 784116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR08PixelRGBA(r); 784216ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 78438e58efdecda887b08ef730d68290a61081ef2566glennrp } 7844bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78458e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 78468e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78478e58efdecda887b08ef730d68290a61081ef2566glennrp } 78488e58efdecda887b08ef730d68290a61081ef2566glennrp 78498e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 78508e58efdecda887b08ef730d68290a61081ef2566glennrp { 78513e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 78528e58efdecda887b08ef730d68290a61081ef2566glennrp { 785391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR08PacketRGBO(image->colormap[i]); 78548e58efdecda887b08ef730d68290a61081ef2566glennrp } 78558e58efdecda887b08ef730d68290a61081ef2566glennrp } 78568e58efdecda887b08ef730d68290a61081ef2566glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH > 8 */ 78578e58efdecda887b08ef730d68290a61081ef2566glennrp } 78588e58efdecda887b08ef730d68290a61081ef2566glennrp else 78598e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 2) 78608e58efdecda887b08ef730d68290a61081ef2566glennrp { 78618e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 786291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 78638e58efdecda887b08ef730d68290a61081ef2566glennrp 78648e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 78658e58efdecda887b08ef730d68290a61081ef2566glennrp { 786616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 78678e58efdecda887b08ef730d68290a61081ef2566glennrp 786816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 78698e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78708e58efdecda887b08ef730d68290a61081ef2566glennrp 78718e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 78728e58efdecda887b08ef730d68290a61081ef2566glennrp { 787316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 787416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 78758e58efdecda887b08ef730d68290a61081ef2566glennrp } 7876bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 78778e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 78788e58efdecda887b08ef730d68290a61081ef2566glennrp break; 78798e58efdecda887b08ef730d68290a61081ef2566glennrp } 78808e58efdecda887b08ef730d68290a61081ef2566glennrp 78818e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 78828e58efdecda887b08ef730d68290a61081ef2566glennrp { 78833e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 78848e58efdecda887b08ef730d68290a61081ef2566glennrp { 788591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 78868e58efdecda887b08ef730d68290a61081ef2566glennrp } 78878e58efdecda887b08ef730d68290a61081ef2566glennrp } 78888e58efdecda887b08ef730d68290a61081ef2566glennrp } 78898e58efdecda887b08ef730d68290a61081ef2566glennrp 78908e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 78918e58efdecda887b08ef730d68290a61081ef2566glennrp { 78928e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 789391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 78948e58efdecda887b08ef730d68290a61081ef2566glennrp 78958e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 78968e58efdecda887b08ef730d68290a61081ef2566glennrp { 789716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 78988e58efdecda887b08ef730d68290a61081ef2566glennrp 789916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79008e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79018e58efdecda887b08ef730d68290a61081ef2566glennrp 79028e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79038e58efdecda887b08ef730d68290a61081ef2566glennrp { 790416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 790516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79068e58efdecda887b08ef730d68290a61081ef2566glennrp } 7907bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79088e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79098e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79108e58efdecda887b08ef730d68290a61081ef2566glennrp } 79118e58efdecda887b08ef730d68290a61081ef2566glennrp 79128e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79138e58efdecda887b08ef730d68290a61081ef2566glennrp { 79143e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79158e58efdecda887b08ef730d68290a61081ef2566glennrp { 791691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 79178e58efdecda887b08ef730d68290a61081ef2566glennrp } 79188e58efdecda887b08ef730d68290a61081ef2566glennrp } 79198e58efdecda887b08ef730d68290a61081ef2566glennrp } 79208e58efdecda887b08ef730d68290a61081ef2566glennrp else 79218e58efdecda887b08ef730d68290a61081ef2566glennrp { 79228e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 792391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 79248e58efdecda887b08ef730d68290a61081ef2566glennrp 79258e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 79268e58efdecda887b08ef730d68290a61081ef2566glennrp { 792716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 79288e58efdecda887b08ef730d68290a61081ef2566glennrp 792916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 79308e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79318e58efdecda887b08ef730d68290a61081ef2566glennrp 79328e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 79338e58efdecda887b08ef730d68290a61081ef2566glennrp { 793416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 793516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 79368e58efdecda887b08ef730d68290a61081ef2566glennrp } 7937bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 79388e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 79398e58efdecda887b08ef730d68290a61081ef2566glennrp break; 79408e58efdecda887b08ef730d68290a61081ef2566glennrp } 79418e58efdecda887b08ef730d68290a61081ef2566glennrp 79428e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 79438e58efdecda887b08ef730d68290a61081ef2566glennrp { 79443e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 79458e58efdecda887b08ef730d68290a61081ef2566glennrp { 794691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 79478e58efdecda887b08ef730d68290a61081ef2566glennrp } 79488e58efdecda887b08ef730d68290a61081ef2566glennrp } 79498e58efdecda887b08ef730d68290a61081ef2566glennrp } 7950cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 7951cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 795267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 795367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 795470e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 7955a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 79562b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 79572b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 79582b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 79592b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 79608e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 79612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 79622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 79632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79643faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7965cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 7966cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 7967cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7968cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7969cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7970cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 7971c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 797216ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 79738640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 79748640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 79758640fb5e9b1094f35f8beab436f81661b8a99448glennrp 7976c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Normally we run this just once, but in the case of writing PNG8 7977e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 7978e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 79798ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 79808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 79818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 79828ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 7983c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 798482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 79858ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 798682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 7987d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 798882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 79898ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 7990d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7991d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* BUILD_PALETTE 7992d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7993d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 7994d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 7995d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7996d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 7997d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 7998d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 7999d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8000d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8001d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 800216ea139d53d867211d3bb0fa859a83de653f687ecristy * If image->matte is MagickFalse, we ignore the alpha channel 8003d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8004d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8005d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8006d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8007d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8008d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8009d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8010d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8011d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 80123c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8013d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8014d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 80158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 801616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8017d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8018d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8019d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 80208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 802116ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 802216ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8023d6bf1617e99df0272b231855a933a74e99b6578fglennrp 802416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 802516ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8026fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8027fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8028d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8029d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8030d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8031d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8032d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8033d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8034d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8035d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8036d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8037d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8038d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8039d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->matte=%.20g",(double) image->matte); 804003812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8041d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 80423c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8043fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 80447ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 80457ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8046d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 80478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 804816ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 80492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8050d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 80517ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8052d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8053d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8054d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8055d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8056d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8057d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 805816ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 80597ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 80602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8061d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8062d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8063d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8064d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8065d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8066d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8067d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8068d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8069d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8070d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 807116ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8072d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8073d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8074d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 80752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8076d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8077d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 807883c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8079d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 808016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 808116ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 80827ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 80838d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 80848d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 80858d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8086d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 80877ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8088d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8089fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8090fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8091fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 80922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8093d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8094d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8095d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 80967ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 809716ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8098d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 809997fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8100d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8101d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 81024737d521d1d9e5d9a7c55375027ba4befc711046glennrp if (image->matte == MagickFalse || 810316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 81048d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8105d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 81068d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8107d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8108d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 810916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 811016ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8111d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8112d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8113d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8114d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8115d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 811616ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8117d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8118d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8119d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 812016ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8121d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8122d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 812316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 812416ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8125d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81268d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 81278d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 812816ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 81298d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8130d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 81318d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8132d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8133d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 813416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 813516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 813616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 813716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 813816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 813916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 814016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 814116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 814216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 8143d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8144d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8145d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8146d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8147d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 814816ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8149d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8150d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8151d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8152d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8153d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8154d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8155d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 815616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8157d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81588d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 81598d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8160d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8161d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8162d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8163d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8164d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8165d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 816616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8167d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8168d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81698d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8170d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8171d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 817216ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 817316ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 817416ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8175d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8176d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8177d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8178d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8179d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8180d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8181d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 818216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8183d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8184d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 818616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8187d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8188d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 81893c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 81904054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 81914054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8192d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8193d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8194d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8195d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8196c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8197c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8198c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8199c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8200c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8201c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8202c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8203c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8204d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8205d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8206ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8207ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8208ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8209ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8210d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8211d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 821203812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 82138e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8214c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8215c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8216c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8217c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8218c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8219c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8220c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 822103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8222a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8223a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8224a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8225d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8227d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 82283241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8229a080bc32a4a8b2ffec83fd836a28753959175363glennrp if (mng_info->write_png8 != MagickFalse && image_colors > 256) 8230a080bc32a4a8b2ffec83fd836a28753959175363glennrp { 8231a080bc32a4a8b2ffec83fd836a28753959175363glennrp /* No room for the background color; remove it. */ 8232a080bc32a4a8b2ffec83fd836a28753959175363glennrp number_opaque--; 8233a080bc32a4a8b2ffec83fd836a28753959175363glennrp image_colors--; 8234a080bc32a4a8b2ffec83fd836a28753959175363glennrp } 8235a080bc32a4a8b2ffec83fd836a28753959175363glennrp 8236d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8237d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8238d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8239d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8240d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 82413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8242d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8243d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8244d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8245d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 82463241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 82478d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 82488d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 82498d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8250fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8251d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8252d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 8253d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickFalse; 82543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8255d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8256d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8257d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8258d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8259d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82606185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 826116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8262d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 82636185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8264e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8265e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8266e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 826716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 826816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8269e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8270e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8271e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8272e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8273e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 827416ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8275e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8276e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8277e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8278e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8279e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8280d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8281d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8282d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 82836185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8284d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8285d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8286d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8287d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 82886185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 828916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 829016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8291d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8292d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8293e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8294d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 829516ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8296d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8297e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8298d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8299bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8300bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 83014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8302d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8303d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 830416ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8305d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8306bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8307d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8308d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8309d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8310d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8311d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8312d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8313d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8314d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8315d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8316d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8317d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 83183241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8319d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8320d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 83213241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8322d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8323d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8324d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8325d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8326d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8327d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8328c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8329c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8330bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8331d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8332d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8333d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8334d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8335d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8336d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8337d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8338d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8339d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8340d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8341d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8342d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8343d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8344d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8345d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8346d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8347d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8348d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8349d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8350d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8351d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8352d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 83533241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8354d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8355d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8356d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8357d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8358d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8359d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8360d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 83616185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8362d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8363d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8364d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8365d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 83662cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8367d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8368d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8369d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8370d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8371d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8372d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 837316ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8374d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 83753faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 83763faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8377d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8378d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8379d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8380d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8381d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8382d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8383d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8384d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8385d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8386bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8387d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8388d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8389d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8390d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8391fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8392fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8393d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8394d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 839516ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83963c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 839716ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8398d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 83993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8400d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8401d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8402d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 840303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 8404d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((image->matte == MagickFalse || 840516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 840616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 840716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 840816ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 84096185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 841016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 84126185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 841303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 841416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8416d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8420d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8423d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 843116ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 843283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8433d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 843572988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8439d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8441d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 844316ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 84466185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 84473c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 84533c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8454d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8455d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 84563c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8457d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 846103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 84656185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 84706185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8474a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8478a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8479d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 84866185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 848703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 848803812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8489d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84903c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8491c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8492c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8493fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8494c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8495c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8496c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8497c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8498c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8499c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8500fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8501c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8502130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8503130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8504130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8505c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8506130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8507c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8508c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8509c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8510fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8511c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8512c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 851316ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8514fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 851516ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8516c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8517fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8518c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8519c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 852016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 85218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 852216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 852316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 85248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 85258ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 852616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 852716ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8528c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8529bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8530c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8531c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8532fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8533c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8534c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8535c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 853616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 853716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 853816ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8539c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8540c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8541c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8542c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8543c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8544e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8545e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8546e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8547c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8548d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8549d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8550d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8551d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8552d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8553d337164012450d70d62e71cf4a308a29004f7d57glennrp 8554d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8555d337164012450d70d62e71cf4a308a29004f7d57glennrp 855691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8557d337164012450d70d62e71cf4a308a29004f7d57glennrp 8558d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8559d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8560d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8561d337164012450d70d62e71cf4a308a29004f7d57glennrp 8562d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8563d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8564d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8565d337164012450d70d62e71cf4a308a29004f7d57glennrp { 856616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8567d337164012450d70d62e71cf4a308a29004f7d57glennrp 856816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8569d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8570d337164012450d70d62e71cf4a308a29004f7d57glennrp 8571d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8572d337164012450d70d62e71cf4a308a29004f7d57glennrp { 857316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 857454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 857516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8576d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8577bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8578d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8579d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8580d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8581d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8582d337164012450d70d62e71cf4a308a29004f7d57glennrp 8583d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 8584d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 8585d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8586d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8587d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8588d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 85898e58efdecda887b08ef730d68290a61081ef2566glennrp 8590d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 8591d337164012450d70d62e71cf4a308a29004f7d57glennrp { 859291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 8593d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8594d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8595d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 8596d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8597d337164012450d70d62e71cf4a308a29004f7d57glennrp 859882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 859982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 860082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 860182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 860282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 860382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 860482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 860582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 860691d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 860782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 860882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 860982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8610e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 861182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 861282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 861382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 861482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 861582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 861616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 861782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 861816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 861982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 862082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 862182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 862282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 862316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 862416ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 862516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 862682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8627bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 862882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 862982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 863082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 863182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 863282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 863382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 863482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 863582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 863682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 863782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8638e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 863982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 864082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 864191d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 864282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8643d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8644d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 864582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 8646c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 86478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8648c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8649c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8650c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8651c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 8652c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 86538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 86548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 86553faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 86563faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 86573faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 86583faa9a3fb01696daaf976d595f492cb530bffb21glennrp 865991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 8660fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8661c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8662c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8663e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 8664fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8665c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 8666c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8667c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8668c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 866916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 86708d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 867116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8672c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8673c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8674c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8675c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 867616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 867754cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 867816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8679c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8680bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8681c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8682c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8683c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8684c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8685c722dd852e8abe407c2846d39662f7ade9c234deglennrp 8686c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 8687c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 8688c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8689c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 8690c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8691e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 8692c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 8693c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 869491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 8695c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8696c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8697c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8698c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8699c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 87008ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 87018ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 87028ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87038ca51ad2da164dabc55b192ed7884b745fde0e26glennrp /* Take care of special case with 256 colors + 1 transparent 87048ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 87058ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 87068ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 87078ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 87088ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 87098ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 87108ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 87118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87128ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 87138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8714bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 87158ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 87168ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87178ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 87188ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 871916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8720bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 872116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 87228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8723bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 87248ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 87258ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 872616ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 872716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 872816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 872916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 87308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 873116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 87328ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 873316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 87348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8735bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 87368ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 87378ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 8738bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 87398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 87408ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 87418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 87428ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 87438ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87448ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 87458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87468ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 87478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 87488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 87498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 87508ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 87518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 87528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 87538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 87548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 8755fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8756fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 8757fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8758fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 8759fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 8760fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 8761fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 87620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 87630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 87640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 8765d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 87660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 87680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 87690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 87710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 87720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87738d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 8774d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 87750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 87760b206f5daa453dc1035db5890cabc899736dc2d0glennrp 87770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 87780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 8779fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 8780fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 8781fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 87825a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 87835a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 87845a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 8785fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 87865a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 87875a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 8788fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8789fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 8790fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8791fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 8792fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8793fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8794fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 8795fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 8796fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 879716ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 8798fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 8799fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8800fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 8801fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8802fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 8803fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 880416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8805fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8806fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8807fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 8808fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 880916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 881016ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 881116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 881216ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 881316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 881416ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 881516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 8816fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8817fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8818fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8819fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8820fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 882116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8822fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8823bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8824fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8825fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8826fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8827fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8828fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8829fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 883067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 883167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 883267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 8833fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 883467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 883567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 883667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 883767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 8838fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 883967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 884067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 8841fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8842fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8843bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8844fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8845fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8846fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8847fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8848fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 8849fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8850fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8851fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8852fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 8853fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8854fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8855fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8856fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8857fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 88583c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 88593c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 88603c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 88613c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 8862f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 88633c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 886483c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 88650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 88661273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp image_colors <= 256 && image->colormap != NULL; 88673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 886852a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 886952a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 887052a479ca718756af72f96e127f8256499ab68f76glennrp { 887116ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 887216ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 887316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 887415e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 887516ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 887652a479ca718756af72f96e127f8256499ab68f76glennrp#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 887752a479ca718756af72f96e127f8256499ab68f76glennrp UnlockSemaphoreInfo(ping_semaphore); 887852a479ca718756af72f96e127f8256499ab68f76glennrp#endif 887952a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 888052a479ca718756af72f96e127f8256499ab68f76glennrp } 888152a479ca718756af72f96e127f8256499ab68f76glennrp 88823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 88833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 88843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 88853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 888616ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 888716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 888816ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 8889cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 8890cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 88910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 889316ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 8894cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 88950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 88973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 88983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 88990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 89010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 89033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 89053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 89063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 8909cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 89103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 89123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 89153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 89173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 89183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 89193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 89203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 89213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 8922cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 89233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 892416ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 892516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 892616ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 892716ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 89283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 89293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 89323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 89343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 89353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 89362b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 89383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 89393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 89403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 89412b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 89433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 89442b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 89462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89474e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 89484e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 89492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 89513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 89520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 89543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 89550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 89573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 89583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 89590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 89613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 89620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 89643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 89650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8969e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 89703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8971e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 89723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8973e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 89743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89758640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 89763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89778640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 89783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89798640fb5e9b1094f35f8beab436f81661b8a99448glennrp 89803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 89815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 8982dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 898326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 89843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 898526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 898626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 898716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 89883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 89893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 8991dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8992dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 89933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 89953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8996dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 8997823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 899816ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 8999823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 900016ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 90013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9002dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 90033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 90043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9005dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 900616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 900716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 90083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9009991d11dd9c33e65872778b81aff1347cd2878154glennrp 90103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 90113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9012dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 901316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 901416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 90153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9016991d11dd9c33e65872778b81aff1347cd2878154glennrp 9017823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9018823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9019823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9020823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9021823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9022991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 90233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 902426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9026a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 902726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 902826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9029a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9031a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9032a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9033a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9034a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9035a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9036a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 90370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9038a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9039a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 90400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9041a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9042a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 90430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9044a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9045a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 90460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9047a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9048a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 90490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9050a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9051a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 90520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9053a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9054a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9055c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9056c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 90570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 90580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 90603b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 90613b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90623b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9063c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9064c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9065c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 90663b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 90673b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 90693b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 90700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 907226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 90783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 90790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90801273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 90813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9083fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 90840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 90850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 90878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 90888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 90890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 90910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 90920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 90930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 90940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 90960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9098f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 90990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 91010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 91020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 91030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 91040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 91050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 91060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 910767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 91080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 910967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 911067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 911167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 91120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 91152b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 91168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 91178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 91188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 91195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 912058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 91218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 91220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 91230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 91240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 91250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 91268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 91298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 91300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91322cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 91338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 91340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 91360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 91370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 91398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 91408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91421273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 91434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 91441273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 91451273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 91461273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 91471273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 91484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 91494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 91504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 91510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9153c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9154c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9155c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9156c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9157c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9158c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9159c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 91604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 91613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 91620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91637e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png24 || mng_info->write_png_colortype == 3) 91643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 91665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 91673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91697e65e93c71716f2a5c03c0808adedae21d519fb2glennrp else if (mng_info->write_png32 || mng_info->write_png_colortype == 7) 91703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 91725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 91733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 91763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 91780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 91803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 91820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 91845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 91853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 91862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 91888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 91897c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 91907c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 91917c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91927c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 91933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91957c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 91963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 92000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9201d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 92028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 92030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9204d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 92053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 92073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 92083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9210d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 92113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 92133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 92143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92165aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 92175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 92185aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 92195aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 92207c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 92217c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (image_info->type == UndefinedType || 92227c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp image_info->type == OptimizeType)) 92233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92245aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 92258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92265aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 92275aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 92285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 92295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 92305aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 92310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92320b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 92335aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 92345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 92355aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 92365aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 92378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92385aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 92395aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 92405aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 92415aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 92425aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 92435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 92445aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 92458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 92460b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 92475aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 92485aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 92495aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 92505aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 92515aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 92520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 92535aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 92543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 925726c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92588640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 925926c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 92605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 92610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 92620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 92630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 92640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 92650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 92660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 92673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9268d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9269d6bf1617e99df0272b231855a933a74e99b6578fglennrp 92705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 92713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92728d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (image->matte == MagickFalse && ping_have_non_bw == MagickFalse) 92738d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 92743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92758640fb5e9b1094f35f8beab436f81661b8a99448glennrp 92765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 92773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 927835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 92795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 92800f111984738842d27d04aed2a3f823d82a943506glennrp 92810f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 92820f111984738842d27d04aed2a3f823d82a943506glennrp { 92830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 928416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 92850f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 9286c70af4ac292f8db9a1ab488318912894d412cb8cglennrp "image has 0 colors", "`%s'",""); 92870f111984738842d27d04aed2a3f823d82a943506glennrp } 92880f111984738842d27d04aed2a3f823d82a943506glennrp 928935ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 92905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9291d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 92923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9293d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9294d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9295d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9296d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 92970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9298d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9299d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9300d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9302d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9303d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 93043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 93065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 93072b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9311e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 93120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9314e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 93150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9317e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 93180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 93218640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 93228640fb5e9b1094f35f8beab436f81661b8a99448glennrp 93238640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9324e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 93253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 932758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 93283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 93304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 93317c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 93327c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 93337c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 93342b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93357c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 93367c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 93377c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 93382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 93434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 93444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 93454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 93464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9347a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 93484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 93497c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 93507c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 93517c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 93524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 93530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 93554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 93564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9357bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 93600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 93624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 93630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 93654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 93660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 93684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 93690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 93714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 93720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 93744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 93750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 93774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 93780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 93804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 93810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 938316ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 93844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 93850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 93870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 93894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 93900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 93924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 93934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9394fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9395fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9396fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9397fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9398fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 93994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94002b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 94024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94037c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 94047c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 94050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 94074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 94094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 94104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 94114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 94124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 94164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 94205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 94215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 94225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94268640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 94280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94292e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 94303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 94310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 943239992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 94348d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 94358d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 943735ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 94380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 94409c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 94410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94427c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 94454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 94463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 94474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 94494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 94504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 94524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 94544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 94590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9460136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9461d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9462f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 94630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 94655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 94660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 94705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 94713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 94733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 94750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 947635ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9477bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 94785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 94793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94812b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 94830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 94843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 94853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 94871a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 94893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 94913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 94923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9493bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 94943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 94963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 94973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 94993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 95013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 95023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 95033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 95044bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 95053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 95063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95072b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 95099c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 95129c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 95130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 95159c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 95163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95182b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 95203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 95253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 952617a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 952717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 95283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 95293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 95323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 95340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 953558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 95363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95379c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 95380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95393b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 95409c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95419c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 95423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 95473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 95493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 95503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 95513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 95543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 955598156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 9556f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 95570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 955839992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 95593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 9562d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 95633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9564befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 9565befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 9566befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 95675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 9568befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 95690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 957016ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 95715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 95723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 95750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 957658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 95770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 95780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 9579d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 9580d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 95810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 95823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9583d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 9584d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 95853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 95870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 95880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9589d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 95900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 9591c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9592c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9593c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9594c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 9595c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9596d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 9597d6bf1617e99df0272b231855a933a74e99b6578fglennrp 9598d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 9599d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 960016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_alpha[i]= (png_byte) 960116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 9602d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 96030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 96040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 96053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9610c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 96113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 96123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 96130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 96153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 96174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 96204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 96214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 96224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 96234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 96255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 96265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 96275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 96285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 96294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 96304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 96314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 96344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 96354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 96364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 96374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96414383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 96424383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 96432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 96463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 96483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 96493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 96513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 965335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 965435ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 965535ef824baa82511126ff0072ae30eee0da9c05a3cristy 965622ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 96573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 965926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 96603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 966116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 966216ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 966316ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 966416ea139d53d867211d3bb0fa859a83de653f687ecristy 96653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96668f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 966716ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 966816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 966916ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 967016ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 96713b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 9672991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 967326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 96743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96753e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 96763e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96773e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 96783e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 96793e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 96809be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 96813e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 96823e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 96833e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 96843e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96853e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 96863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 968717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 968826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 968926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 96901273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 969117a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 969217a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 969317a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 969417a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 969517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 969617a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 969717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9698a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 9699a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 970017a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 970117a1485544c62993fc7a94e343c87fed5f3e6407glennrp 970217a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 970317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 97043b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 97050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 97080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9709a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 971013d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 9711a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 97120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 97133b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 97143b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 97150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 97180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 97190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 97200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 97210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9722a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 972317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 9724d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 97253c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 97263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 97273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97283b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 97293c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 97303c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 973117a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 973226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 973317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 97343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 97373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 97393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 97403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 97440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 97470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 97500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 97540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97554054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 97564054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 975710d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 975810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 975910d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 976010d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 976110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 976210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 976310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 976410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0: Use Z_HUFFMAN_ONLY strategy with the 976510d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 976610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 976710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 976810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 976910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 977010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 977110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 977210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 977310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 977410d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 977510d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 977610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 977710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 977810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 977910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 978010d739ef54404090a55cb8977fc51f85cafa81a5glennrp a MNG, othewise "none". Did not work in IM-6.7.0-9 978110d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 978210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 978310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 8: Z_RLE strategy, all filters 97841868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 978510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 978610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 9: Z_RLE strategy, no PNG filters 97871868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 978810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 978910d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 979010d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 979116ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 979216ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 979310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 979410d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 979510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 97963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 97980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97991868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 98001868258559ddf946fa73ef72dd43507b32623705glennrp { 98011868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 98021868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 98031868258559ddf946fa73ef72dd43507b32623705glennrp } 98041868258559ddf946fa73ef72dd43507b32623705glennrp 98051868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 98063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 98083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 98093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9810bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 98110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98121868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 98131868258559ddf946fa73ef72dd43507b32623705glennrp } 98140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98151868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 98161868258559ddf946fa73ef72dd43507b32623705glennrp { 98171868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 98181868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy=Z_RLE; 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98211868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 98221868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 98231868258559ddf946fa73ef72dd43507b32623705glennrp 98241868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 98253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98261868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 98273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98281868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 98291868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 98300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98311868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 98321868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98331868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 98341868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 98350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98361868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98371868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 98383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98394054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 984010d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98411868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 98424054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 98434054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 98441868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98451868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 98461868258559ddf946fa73ef72dd43507b32623705glennrp else 98471868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98481868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 98491868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 98503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98521868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 98531868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 98540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98551868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 98561868258559ddf946fa73ef72dd43507b32623705glennrp { 98571868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 98581868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 98591868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 98601868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 98611868258559ddf946fa73ef72dd43507b32623705glennrp else 98621868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 98631868258559ddf946fa73ef72dd43507b32623705glennrp } 98644054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 98651868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 98661868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 986710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 98681868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 98691868258559ddf946fa73ef72dd43507b32623705glennrp { 98701868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 98711868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 98721868258559ddf946fa73ef72dd43507b32623705glennrp { 98731868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 98741868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 98751868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 98761868258559ddf946fa73ef72dd43507b32623705glennrp } 98771868258559ddf946fa73ef72dd43507b32623705glennrp#endif 98784054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 98791868258559ddf946fa73ef72dd43507b32623705glennrp } 98800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98811868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 98821868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 98830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98841868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 98851868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 98861868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 98870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98881868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 98891868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 98901868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 98912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 98930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 98940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (image->rendering_intent == UndefinedIntent)) 98950d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 98960d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 98970d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 98980d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 9899c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9900c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 9901c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 99023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9903c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 99040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9905c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 9906c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9907c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 9908c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 9909c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 991026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9911c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 9912c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 9913c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 991416ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 9915e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 9916c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 9917e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 9918e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 9919e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 9920c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 9921c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 992226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 99230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9924c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9926c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 9927c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9928cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 9929c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 9930c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 9931c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 9932c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9933c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 99340b206f5daa453dc1035db5890cabc899736dc2d0glennrp 9935c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9936c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9937c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 99380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9939c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 9940c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 99410d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 994926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 995026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 995126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 995226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 995326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 995426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 995526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 995626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 99570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 995826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 9959cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 9960cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 996126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 996326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 99645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99672cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 99682cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 996926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 997026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 99803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 998326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 99842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 998526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 998726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 998826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 998926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 999026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 999126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 999226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 999326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 999426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 999526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 999626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 999726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 999826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 999926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1000026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1000126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1000226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1000326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1000426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1000526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1000626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1000726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1000826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1000926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1001026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1001126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1001226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 100133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10014dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 100155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100205d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10022d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 100258d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 100263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 100282b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 100305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 100348d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 100355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 100363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 100390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 100405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 100413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 100425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10043991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 100440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 100473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 100490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 100500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 100520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 100530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100575d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth=%u, Computed depth=%u", 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 100595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 100623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100655d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type=%u, Computed color type=%u", 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 100675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 100683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 100713bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 100725d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy "Cannot write image with defined png:bit-depth or png:color-type."); 100733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1007558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (image_matte != MagickFalse && image->matte == MagickFalse) 100763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 100783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 1007916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageAlpha(image,OpaqueAlpha,exception); 100800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10081b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 10082b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10083b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 100843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100860e319739731741c52a6303723e0c8678a0df5579glennrp if (number_transparent != 0 || number_semitransparent != 0) 10087e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 10088991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 10089c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10090991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 10091c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10092c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10093c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 10094c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10095e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 10096e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 100983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 101025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 101035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 101045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 101055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 1010639992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 1010739992b4dd9b12ef752d55b8e402c069698851f72glennrp { 10108f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 101090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101103b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 1011139992b4dd9b12ef752d55b8e402c069698851f72glennrp { 101128640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 101130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10114d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 101150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10116d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10117d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 101180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 101190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 101200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 10121d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 101220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 101230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 101240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10125d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 101260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 101270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 101280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 101290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 101300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 1013139992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1013239992b4dd9b12ef752d55b8e402c069698851f72glennrp } 1013339992b4dd9b12ef752d55b8e402c069698851f72glennrp 1013426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1013526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1013626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10137c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1013826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 10139c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging) 10140c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10141c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10142c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10143c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10144c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10145c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10146c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10147c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10148c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10149c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10150c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10151c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10152c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10153c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1015426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10155991d11dd9c33e65872778b81aff1347cd2878154glennrp 1015626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10157dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1015826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1015926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1016026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1016126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1016226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1016326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10164823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 10165823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging) 10166823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10167823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10168823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10169823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10170823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10171823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10172823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10173823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10174823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10175823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10176823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10177823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10178823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1017926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10180dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10181dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10182dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 101834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10184dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1018526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1018626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1018726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1018826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10189dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1019026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1019126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1019226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1019326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1019426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10195dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10196dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10197dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10198da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10199da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1020016ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10201da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10202da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10203da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10204da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10205da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10206da8f3a7bfddac2680a3069a490db541e7944edafglennrp 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10208991d11dd9c33e65872778b81aff1347cd2878154glennrp 1020939992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10210991d11dd9c33e65872778b81aff1347cd2878154glennrp { 102113b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 102120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 102150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10216991d11dd9c33e65872778b81aff1347cd2878154glennrp 102170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 102180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 102190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 102200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 102210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10222991d11dd9c33e65872778b81aff1347cd2878154glennrp 102230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 102240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 102260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 102270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 102280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 102290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102303b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 102310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10233c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 102340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 102350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 102360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 102370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 102380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 102390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10240991d11dd9c33e65872778b81aff1347cd2878154glennrp 102413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10242cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10243da8f3a7bfddac2680a3069a490db541e7944edafglennrp 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10245991d11dd9c33e65872778b81aff1347cd2878154glennrp 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10247cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 102483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1024926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 102503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 102524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1025326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1025426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1025526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1025626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1025726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1025826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1025903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1026026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1026126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1026226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1026326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1026426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1026526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 102663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 102699c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 102703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 102719c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 102723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 102743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 102763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 102783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10280b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10281b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 102827202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 102833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10284b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10286b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 102870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10288b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10289b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10290b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 102910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10292b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 102933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10294b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 102950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10296b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10297b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 103003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 103013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10302b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10303b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 103040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10305b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10306e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 103073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10308cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 10309cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 103100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10311cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 103123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 103130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 103163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 103183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 103213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 103233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 103263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 103283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 10329cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 10330cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 103313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 10332cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 103333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1033416ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1033516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1033616ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1033716ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 103383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 103393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10340ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 10341ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10342ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 103433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 103453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 103468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 103488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 103498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 103503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 103518d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 103528d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 103533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1035516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 103563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 103570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 103593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 103603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 103633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10364bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 103653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10366d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 103673b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10369a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1037016ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 103710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1037216ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 103733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 103740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 103763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1037716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1037816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 103793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 103803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 103823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10384bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10385cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 103863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 103873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1039216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1039316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 103943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10397bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10398cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 103993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 104000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10402b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10403b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 104040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10405cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 104063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 104083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 104113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 104173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 104193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 1042058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 104215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 104228d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 104233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1042416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 104258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 104260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 104283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10430bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 104313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1043216ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 104332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1043416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 104353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 104362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 104383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1044016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1044116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 104422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1044416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1044516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 104462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 104488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 104503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10453b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 104543b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10455b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 104572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1045816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1045916ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10460b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 104612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104623b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10463b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 104652cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10466cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 104673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 104708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 104718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 104728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 104738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 104748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 104758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 104768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 104770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1048016ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 104818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 104820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 104843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 104868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 104878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 104888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 104898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10490b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 104918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1, 1049216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 104932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1049416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 104958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 104962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 104978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 104988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 104998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1050016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1050116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 105022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1050416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1050516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 105068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 105098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1051016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10511cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1051216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 105132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 105158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 105178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1052016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1052116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 105222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1052416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1052516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 105262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10528b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 105302cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10531cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10532b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 105338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 105368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 105378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 105388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 105398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 105408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 105418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 105428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 105438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 105448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 105462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 105488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 105498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 105528640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 105538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 105548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 105562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1055716ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 105582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1055916ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 105608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 105612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1056344757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 105644bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 105654bf89731a90c6e03598950223e19e7be7b95d630glennrp 1056616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1056716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1056844757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 105692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 105718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 105728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 105738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 105752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1057616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10577cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1057816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 105798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 105828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1058316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1058416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 105852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 105865eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 105875eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 105885eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105891a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 105905eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 105915eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105925eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 105935eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 105945eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 105958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 10596cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 105978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 105992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 106008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 106018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 106028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 106038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 106048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 106058640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 106098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10610b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 10611b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 106123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10616b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 106170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10619e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 106200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10622e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 106230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106275d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 106283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 106320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106365d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 106410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 106443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10646a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10648823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1065026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1065126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1065226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1065326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1065426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1065526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 106562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1065716ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 10658a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10659a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Don't write any "png:" properties; those are just for "identify" */ 10660a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(property,"png:",4) != 0 && 10661a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10662a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 10663a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 10664823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 10665a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 10666a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 10667a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 10668a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 10669a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1067026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10671c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 10672c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10673c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 10674c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 10675c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 10676c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 106772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10678c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 10679c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 106802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10681c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 10682c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 106832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10684c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1068526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10686c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 10687c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 10688c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 10689c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1069026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10692c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 10693c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 10694c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10695c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 10696c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10697c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10698c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " keyword: %s",text[0].key); 10699c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 10700c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 10701c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 10702c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 10703c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1070426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1070526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1070626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 10710cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 107113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 107150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 107170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 107215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 107225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1073203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 107353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 107363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 107435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 107443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 107465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 1075816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 10760c70af4ac292f8db9a1ab488318912894d412cb8cglennrp "`%s'",image->filename); 107610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10768cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 10771cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1077416ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1077516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1077616ea139d53d867211d3bb0fa859a83de653f687ecristy 1077716ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1077816ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1077916ea139d53d867211d3bb0fa859a83de653f687ecristy 10780b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 10781b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 10782b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 10783b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1078416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 10785b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 107890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 107933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 107983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 108113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1081216ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1081316ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 108163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1082116ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1082216ea139d53d867211d3bb0fa859a83de653f687ecristy% 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 108295d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108315a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 108325a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 108355a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 108365a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 10837e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 10838130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 10839130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 10840130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 10841e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 10842e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 10843e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 108445a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 108455a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 108475a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 108485a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 108495a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 108535a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 108545a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 108555a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 108565a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 108575a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 108620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 108635a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 108645a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 10869bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 10870bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 10871bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 108773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 108823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 108883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108895a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% If the image cannot be written without loss with the requested bit-depth 108905a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% and color-type, a PNG file will not be written, and the encoder will 108915a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% return MagickFalse. 108925a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 108933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 108965a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1089716ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 109043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 109053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 109063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 10912bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 10913bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 10918bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 109193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10920bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 109223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 109230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 10924d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 109250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 109260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 109270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 10928cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 109290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 10930d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 10931d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 109325d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 10933d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 10934d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 10935d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 10936d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 109370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 109403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1094116ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 109433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1094421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1094521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1094621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 109513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 1095621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 109575c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 109585c7cf4e469a4dad7e277783749155932252c52dfglennrp 109593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 109613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 109643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 109653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 109663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 10967fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 109703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1097273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 109730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 109753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 109760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 109793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 10982a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 109843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 109863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 109883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10991b381a2618e8bb9e1e76299676711d0ec1063feabglennrp value=GetImageOption(image_info,"png:format"); 10992b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 10993b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (value != (char *) NULL) 10994b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 10995b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 10996b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 10997b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 10998b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 10999b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11000b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11001b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11002b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11003b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11004b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11005b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11006b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickFalse; 11007b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11008b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11009b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11010b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11011b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickFalse; 11012b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickFalse; 11013b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11014b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 11015b381a2618e8bb9e1e76299676711d0ec1063feabglennrp } 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110189c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 110199c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 110209c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110259c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 110269c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 110279c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 110280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110299c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 1103016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 110310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110329c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1103316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 110340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1103516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110409c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 110419c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 110429c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 110430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110449c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 1104516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 110460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110479c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1104816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 110490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1105016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 110513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 110548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 110563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 110589c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 110590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 110619c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 110620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 110649c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 110650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 110679c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 110680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 110709c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 110710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11072bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1107316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11074bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11075bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11076bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11077bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110799c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11080bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 110840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 110899c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 110900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1109116ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1109216ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1109316ea139d53d867211d3bb0fa859a83de653f687ecristy 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 110959c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 110960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 110989c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 110990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 111019c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 111020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 111049c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 111050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11106bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1110716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11108bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11109bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11110bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11111bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111139c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11114d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 111180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111190dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 111200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 111210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111225d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 111230e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 111240e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 111250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 111260e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 111270e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111280e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 111290e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111305d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 111315d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 111320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 111330dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 111340dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 111350dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11136aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11137aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11138aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 111390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 111410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 111420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 111430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 111450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 111460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 111470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 111490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 111500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 111510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11152104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 111530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 111540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1115526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1115626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11157a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1115826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1115926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1116026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1116126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1116226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1116326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1116426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1116526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11166a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1116726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1116826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1116926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1117026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 111718d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 111728d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 111738d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageArtifact(image,"png:preserve-colormap"); 111748d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 111758d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp value=GetImageOption(image_info,"png:preserve-colormap"); 111768d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 111778d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 111788d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 111791868258559ddf946fa73ef72dd43507b32623705glennrp /* Thes compression-level, compression-strategy, and compression-filter 111801868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 111811868258559ddf946fa73ef72dd43507b32623705glennrp */ 111821868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-level"); 111831868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 111841868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-level"); 111851868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 111861868258559ddf946fa73ef72dd43507b32623705glennrp { 111871868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 111881868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 111891868258559ddf946fa73ef72dd43507b32623705glennrp */ 111901868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 111911868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 111921868258559ddf946fa73ef72dd43507b32623705glennrp 111930ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 111941868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 111951868258559ddf946fa73ef72dd43507b32623705glennrp 111961868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 111971868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 111981868258559ddf946fa73ef72dd43507b32623705glennrp 111991868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 112001868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 112011868258559ddf946fa73ef72dd43507b32623705glennrp 112021868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 112031868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 112041868258559ddf946fa73ef72dd43507b32623705glennrp 112051868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 112061868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 112071868258559ddf946fa73ef72dd43507b32623705glennrp 112081868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 112091868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 112101868258559ddf946fa73ef72dd43507b32623705glennrp 112111868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 112121868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 112131868258559ddf946fa73ef72dd43507b32623705glennrp 112141868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 112151868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 112161868258559ddf946fa73ef72dd43507b32623705glennrp 112171868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 112181868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 112191868258559ddf946fa73ef72dd43507b32623705glennrp 112201868258559ddf946fa73ef72dd43507b32623705glennrp else 1122116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 112221868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 112231868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 112241868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 112251868258559ddf946fa73ef72dd43507b32623705glennrp } 112261868258559ddf946fa73ef72dd43507b32623705glennrp 112271868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-strategy"); 112281868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 112291868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-strategy"); 112301868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 112311868258559ddf946fa73ef72dd43507b32623705glennrp { 112321868258559ddf946fa73ef72dd43507b32623705glennrp 112331868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 112341868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 112351868258559ddf946fa73ef72dd43507b32623705glennrp 112361868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 112371868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 112381868258559ddf946fa73ef72dd43507b32623705glennrp 112391868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 112401868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 112411868258559ddf946fa73ef72dd43507b32623705glennrp 112421868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1124398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 112441868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1124598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1124698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1124798c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 112481868258559ddf946fa73ef72dd43507b32623705glennrp 112491868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1125098c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 112511868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1125298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1125398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1125498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 112551868258559ddf946fa73ef72dd43507b32623705glennrp 112561868258559ddf946fa73ef72dd43507b32623705glennrp else 1125716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 112581868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 112591868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 112601868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 112611868258559ddf946fa73ef72dd43507b32623705glennrp } 112621868258559ddf946fa73ef72dd43507b32623705glennrp 112631868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageArtifact(image,"png:compression-filter"); 112641868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 112651868258559ddf946fa73ef72dd43507b32623705glennrp value=GetImageOption(image_info,"png:compression-filter"); 112661868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 112671868258559ddf946fa73ef72dd43507b32623705glennrp { 112681868258559ddf946fa73ef72dd43507b32623705glennrp 112691868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 112701868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 112711868258559ddf946fa73ef72dd43507b32623705glennrp * 112721868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 112731868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 112741868258559ddf946fa73ef72dd43507b32623705glennrp */ 112751868258559ddf946fa73ef72dd43507b32623705glennrp 112761868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 112771868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 112781868258559ddf946fa73ef72dd43507b32623705glennrp 112791868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"1") == 0) 112801868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 112811868258559ddf946fa73ef72dd43507b32623705glennrp 112821868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 112831868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 112841868258559ddf946fa73ef72dd43507b32623705glennrp 112851868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 112861868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 112871868258559ddf946fa73ef72dd43507b32623705glennrp 112881868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 112891868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 112901868258559ddf946fa73ef72dd43507b32623705glennrp 112911868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 112921868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 112931868258559ddf946fa73ef72dd43507b32623705glennrp 112941868258559ddf946fa73ef72dd43507b32623705glennrp else 1129516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 112961868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 112971868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 112981868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 112991868258559ddf946fa73ef72dd43507b32623705glennrp } 113001868258559ddf946fa73ef72dd43507b32623705glennrp 1130103812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 1130203812ae402fb53d548f0e1d7d14720768f803c2dglennrp 113035c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 113045c7cf4e469a4dad7e277783749155932252c52dfglennrp { 113055c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11306acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 113075c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 11308acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11309acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11310acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 11311acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 113125c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11313acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 113145c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 1131526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11316acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11317acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 11318acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11319acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1132003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1132103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1132226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1132303812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1132403812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1132526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1132603812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1132726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1132803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 113292cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 113302cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 113312cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 113322cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 113332cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 113342cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 113352cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 113362cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1133703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1133803812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1133903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1134003812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1134103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1134203812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1134303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1134403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1134503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1134603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11347a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1134803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1134903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1135003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1135103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1135203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1135303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1135403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1135503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11356a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1135703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1135803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1135903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1136003812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1136103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 113622cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1136303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1136403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1136503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1136603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11367a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1136803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1136903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1137003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1137103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1137203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1137303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1137403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1137503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11376a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1137703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1137803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1137903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1138003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 113812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1138203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1138303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 113842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1138503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1138603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 113872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11388a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11389a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 11390a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1139103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1139203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 113932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1139403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1139503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 113962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1139703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1139803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 113992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1140003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1140103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1140203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 1140303812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 114042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1140503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1140603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 114072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1140803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1140903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 114102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1141103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1141203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 114132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11414a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11415a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 114162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1141703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1141803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 114192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11420a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11421a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 11422a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1142303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1142403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 114252cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1142603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1142703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 114282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1142903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1143003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 114312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1143203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11433ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1143426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1143526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 114365c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 114375c7cf4e469a4dad7e277783749155932252c52dfglennrp { 114385c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 11439acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114405c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 11441acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 11442acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11443acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 11444acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 114455c7cf4e469a4dad7e277783749155932252c52dfglennrp else 11446acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 114475c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 1144826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11449acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 11450acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 11451acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 11452acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1145303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1145403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1145503812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1145603812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1145726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1145803812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1145926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1146003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 114612cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 114622cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 114632cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114642cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 114652cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 114662cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 114672cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 114682cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1146903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1147003812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1147103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1147203812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1147303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1147403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1147503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1147603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1147703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 11478a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1147903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1148003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1148103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1148203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1148303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1148403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1148503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1148603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 11487a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1148803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1148903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1149003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1149103812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1149203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 114932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1149403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1149503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1149603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1149703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 11498a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 1149903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1150003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1150103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1150203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1150303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1150403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1150503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1150603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11507a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1150803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1150903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1151003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1151103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 115122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1151303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1151403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 115152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1151603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1151703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 115182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11519a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (LocaleNCompare(value+i,"date",4) == 0) 11520a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 11521a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 1152203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1152303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 115242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1152603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 115272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1152803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1152903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 115302cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1153203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1153303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 1153403812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 115352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1153703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 115382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1153903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1154003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 115412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1154203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1154303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 115442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11545a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 11546a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 115472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1154803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1154903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 115502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11551a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 11552a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 11553a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1155403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1155503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 115562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1155703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1155803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 115592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1156003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1156103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 115622cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1156303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 11564ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1156526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1156626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1156703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 1156826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1156926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 115705d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1157126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1157226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1157326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1157426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1157526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1157626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 11577a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 11578a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11579a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1158026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1158126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1158226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1158326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1158426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1158526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1158626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1158726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1158826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 1158926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 1159026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1159126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1159226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 1159326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 1159426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1159526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1159626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1159726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1159826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1159926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1160026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1160126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1160226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1160326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1160426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1160526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 11606a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 11607a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11608a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1160926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1161026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1161126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1161226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1161326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1161426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1161526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1161626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1161726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1161826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1161926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 11620b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 116213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1162216ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 116233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 116250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 116280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 116303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 116313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 116333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 116353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1163616ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 116373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 116383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 116393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 116403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 116423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 116433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1164503812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 116463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 116473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 116493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 116503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 116523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 116533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 116543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 116553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 116573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 116583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 116593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 116603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 116613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11662bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1166359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 116643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 116653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 11667fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 116683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 116703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 116713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 116723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 116743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 1167559575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->type==TrueColorMatteType || image->matte != MagickFalse; 116763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1167759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1167859575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1167959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1168059575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1168159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1168259575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1168359575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1168459575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1168559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 116863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 116883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 116900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 116923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1169416ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 116950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 116970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 116993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 117000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 117033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 117040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1170516ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 117063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 117073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 117083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 117093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 117108f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1171116ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1171216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 117133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 117143b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 117153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 117163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1171759575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1171859575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1171959575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1172059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1172159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1172259575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 117233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 117253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 117273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 1172816ea139d53d867211d3bb0fa859a83de653f687ecristy TrueColorType && ImageIsGray(image,exception)) 117293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 117303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1173159575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1173259575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1173359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1173559575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1173659575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 1173759575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (transparent) 1173859575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1173959575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1174059575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1174159575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1174259575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1174359575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1174459575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1174559575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1174659575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1174759575fa5c228308a41d7f5028390be2083aaaf6dglennrp 117483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 117493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 117513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 117533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 117543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1175516ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 117563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1175716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 117583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 117603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 117613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 117623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 117643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 117653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 117663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11767cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 11768cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 11769cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 117703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1177116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 117723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1177416ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 117753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 117763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 117773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 117793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1178016ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 117813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1178316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 117843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 117863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 117873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 117883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 117903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 117913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1179216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 117933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 117940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11797e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 11798e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 117993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 118023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 118033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 118043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 118053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 118083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 118093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1181003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 118114e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 118124e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 118133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 118143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 118153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 118163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 118173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 118183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 118193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 118203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 118213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 118223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 118233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 118243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11826f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 118270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11829f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 118300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 118330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 118360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 118390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 118420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 118450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 118480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 118510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 118533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 118543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 11857cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 118583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 118613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 118623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 118643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 118673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 118683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 118703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 118713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 118723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 118733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11874bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 118753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 118763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 118783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 118793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 118803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 11881bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 118823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1188303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 118843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 118853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 118863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 118873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 118883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 118893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 118903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 118913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 118923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 118933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 118943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 118953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 118983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 119013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 119033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1190403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 119050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 11907e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11908cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11909e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 119100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 11912e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11913cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11914e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 119150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 119173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 119183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 119223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 119253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 119273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1192803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1192935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 119303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 119313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 119323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 119353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 119363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 119383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 119393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 119423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 119443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1194503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 119463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1194735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1194835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 119493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1195035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1195135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 119523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1195335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1195435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 119553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1195635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1195735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 119583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 119593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 119603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1196316ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 119643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 119673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 119693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1197003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 119713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 119723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1197335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1197416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 119750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1197635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1197716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 119780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 119803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 119853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1198635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1198716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 119880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1198935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1199016ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 119910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 119933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1199716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1199816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 119993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 120003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 120033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 120043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 120073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 120103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 120123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1201303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12014bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12015bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 120163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 120173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 120183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 120193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 120213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 120233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1202403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 120253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 120263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 120273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 120283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 120293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 120303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 120343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 120363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12037bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 120383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 120393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12040bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 120413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 120423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 120443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 120453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12046e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12047f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 120483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 120503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 120513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12052bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 120533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 120553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 120560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 120583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12060bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1206103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 120623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 120633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 120643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 120653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 120703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12071e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12072e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 120733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 120753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 120783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 120793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 120803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 120813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12082e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12083bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 120843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1208503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 120863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 120873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 120883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 120893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 120903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 120913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 120933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 120953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 120963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 120973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 120993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 121003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 121013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 121023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 121053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 121063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1210716ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 121083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 121093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 121103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 121113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 121133b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 121143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 121153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1211716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 121183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12121e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12122e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 121253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 121260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1212759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1212859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 121310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 121350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1213616ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 121370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12141e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12142e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12145e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 121470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12149bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1215103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 121583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 121593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12162cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 121633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 121653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 121663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1216703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 121683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 121703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 121740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 121803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 121813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 121853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 121883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 121893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 121903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 121923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 121933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 121943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1219616ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1219716ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 121993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 122003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 122023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 122043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1220516ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1220616ea139d53d867211d3bb0fa859a83de653f687ecristy% 122073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1220916ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1221016ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 122113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 122123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1221321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1221403812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 122163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 122183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 122193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 122213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 122223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 122233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 122243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 122253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 122263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 122273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12228fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1222916ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 122313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 122353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 122363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1223773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 122383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 122393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 122413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 122423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 122433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 122443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 122453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 122463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 122483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1224916ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 122503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 122513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 122533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 122583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1226016ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1226116ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 122643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 122653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 122673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1227021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1227303812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1227403812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1227503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 122763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 122783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 122803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 122813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 122823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 122883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 122893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 122903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12293bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 123013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12303bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 123043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12306bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12310d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 123133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 123143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 123183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12324fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1232516ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 123283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1233373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 123353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 123363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 123403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 123413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 123523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 123583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 123740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12376e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 123770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12385e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 123860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12388e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 123890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 123930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 123970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 124010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 124050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12408e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 124090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 124123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 124130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 124153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 124163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 124203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 124313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 124343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 124473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 124573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 124583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 124593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 124603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 124623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 124633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 124643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 124760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 124793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 124823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 124830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 124860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 124883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 124920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 124950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 124970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 124993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 125003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 125010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 125043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 125083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 125090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1251216ea139d53d867211d3bb0fa859a83de653f687ecristy if (ImageIsGray(image,exception) == MagickFalse) 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 125163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 125203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 125213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 125243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 125283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 125290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 125313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 125320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 125360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1253816ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1253916ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 125410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 125463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 125483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 125493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 125523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 125533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 125583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 125653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 125673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 125693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125930261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 12594d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 12595d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1259616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1259716ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 12598d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 12599d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 12600d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 12606cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 12607cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 126100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 126130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 126153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 126160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 126183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 126203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 126223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 126263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 126273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 126283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 126293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 126303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 126313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 126323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 126343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 126363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1263703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 126384e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 126394e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 126403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 126423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 126500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 126590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 126710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 126793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 126800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 126973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 12698bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1269903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 127023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 127103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1271303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 127143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 127153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 127173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 127180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 127210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 127240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12728e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 12729e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 127300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12733e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 127340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12737e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1275303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 127540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12756e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12757cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12758e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 127590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12761e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12762cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12763cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 127640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 127763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 127783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1277903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1278035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 127893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 127943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1279503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1279735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1279835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1280035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1280135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1280335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1280435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1280635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1280735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 128083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 128113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1281316ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1282003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 128210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1282435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1282516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 128260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1282735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1282816ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 128290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1283735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1283816ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 128390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1284035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1284116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 128420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1284816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1284916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1286803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 128753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 128763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1288103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 128833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 128883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12892bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 128933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 128973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1290103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 129020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12903bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 129043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1290516ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1290616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1290716ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1290816ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1290916ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1291016ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 12950bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1295603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 129570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12958bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 129623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 129663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 129673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 129763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12977bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 129793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 129803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 129843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 129893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1299703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1302603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1303803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 130403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 130423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 130504e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1306716ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 130762f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13077b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 130788d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 130792f2e514554975d510c88df54de98c6cdc1080f1cglennrp 130802f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 130812f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 130822f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13083a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 130842f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 130852f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 130862f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 130872f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 130882f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 130892f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 130902f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 130912f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13092a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 130932f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 130942f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 130952f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 130962f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1309716ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 130983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 131033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 131073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 131103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 131120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 131143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 131150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 131170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1312703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 131360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 131383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 131390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13142d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1314339992b4dd9b12ef752d55b8e402c069698851f72glennrp 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 131463bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 131490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1315339992b4dd9b12ef752d55b8e402c069698851f72glennrp 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13158d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13160