png.c revision afee4d36aae894a74306a3c492437ca55dce2bad
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% % 217e41fe84a841d7b9d7b36b245b65e9dcb3314943cristy% Copyright 1999-2011 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*/ 443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/studio.h" 455c7cf4e469a4dad7e277783749155932252c52dfglennrp#include "magick/artifact.h" 465a2ca481ab4ff6751bba842263739966e53441aacristy#include "magick/attribute.h" 473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob.h" 483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob-private.h" 493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/cache.h" 503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color.h" 513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color-private.h" 524ccd4c0b8623aa47f1c10dd366666799e5957c3ccristy#include "magick/colormap.h" 533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/colorspace.h" 543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/constitute.h" 553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/enhance.h" 563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception.h" 573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception-private.h" 583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/geometry.h" 59f2e1166e90de2dfe2e6a2aed7cd5f73640f34a7acristy#include "magick/histogram.h" 603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image.h" 613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image-private.h" 623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/layer.h" 633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/list.h" 643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/log.h" 653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/magick.h" 663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/memory_.h" 673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/module.h" 683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor.h" 693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor-private.h" 703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/option.h" 713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/profile.h" 733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/property.h" 743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/resource_.h" 753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/semaphore.h" 763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/static.h" 783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/statistic.h" 793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/string_.h" 80f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy#include "magick/string-private.h" 813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/transform.h" 823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/utility.h" 833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 84286a6355c4544b794da2b6df973faad07c69e541glennrp 857ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 867ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 87faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 887ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 90991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 91faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 92faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 93faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 94faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_DEPSTRUCT Access to this struct member is deprecated */ 95286a6355c4544b794da2b6df973faad07c69e541glennrp 963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "png.h" 973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "zlib.h" 983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* ImageMagick differences */ 1003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define first_scene scene 1013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Optional declarations. Define or undefine them as you like. 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* #define PNG_DEBUG -- turning this on breaks VisualC compiling */ 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Features under construction. Define these to work on them. 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_OBJECT_BUFFERS 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_BASI_SUPPORTED 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_COALESCE_LAYERS /* In 5.4.4, this interfered with MMAP'ed files. */ 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_INSERT_LAYERS /* Troublesome, but seem to work as of 5.4.4 */ 1153241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp#define PNG_BUILD_PALETTE /* This works as of 6.6.6 */ 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((color).red == (target).red) && \ 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).green == (target).green) && \ 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).blue == (target).blue)) 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 1283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 1293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef SETJMP_IS_THREAD_SAFE 1323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_SETJMP_NOT_THREAD_SAFE 1333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 1373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_semaphore = (SemaphoreInfo *) NULL; 1383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 1423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 1433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 1443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 1463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 1493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 1503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 1513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 1523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 1543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 1573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 1583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 1593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 1603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 1613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 1623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 1633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 1653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 1663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 1673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 1693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 1703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 174bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 1753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 1763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 1773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 1793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 1803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 1843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 1853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 1863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 1893ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 1903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 1913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 1923ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 1933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 1943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 1953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 1963ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 1973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 1983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 1993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 2003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 2013ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 2023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 2033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 2043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 2053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 2063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 2073ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 2083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 2093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 2103ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 2113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 2123ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 2133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 2143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 2163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 2173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 2183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 2193ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 2203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 2213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 2223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 2243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 2253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 2263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 2273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 2283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 2293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 2303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 2333ed852eea50f9d4cd633efb8c2b054b8e33c253cristyOther known chunks that are not yet supported by ImageMagick: 2343ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 2353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 2373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 2383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 2393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 2403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 2413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 2423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 2433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrptypedef struct _UShortPixelPacket 24505eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp{ 24605eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp unsigned short 24705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp red, 24805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp green, 24905eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp blue, 25005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp opacity, 25105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp index; 25205eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp} UShortPixelPacket; 25305eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2543ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 2553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 2573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 2583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 2593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 2603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 2613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 2623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2633ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 2643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 2663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 2673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 2683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 2693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2713ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 2723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 274bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 2753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 2763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 2773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 2793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 2803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 2823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 2833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 2853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 2863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 2883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 2893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 2903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 2913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 2923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 2933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 2943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 2953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 2963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 2973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 2983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 2993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 3003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 3013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3033ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 3043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 3053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 3073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 3083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 3093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 3123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 3133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 3153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 3163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 3193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 3213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 3223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 3243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 3253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 3263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 3273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 3283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 3293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 3313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 3323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 3333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 3343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 3353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 3363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 3373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 3383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 3393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 3403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 3413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 3423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 3433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 3443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 3453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 3463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 3473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 3483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 3513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 352bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 3533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 3543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 3553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 3563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 3573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 3583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 3593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 3613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 3623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 3633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 3643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 3653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 3673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 3683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 3693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 3703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 3713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 3723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 3733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 3753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 3763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 3783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 3793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 3813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 3823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 3843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 3863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 3883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 3903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 3913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 3933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 3943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 3963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 3973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39835ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 3993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 4003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 4013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 4023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 4033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 4043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 4053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 4063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 4073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 408b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 409b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 410b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 4113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 4133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 4143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 4153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 4163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 4173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 4183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 4193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 4203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 4213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 4223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 4233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 4243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 4253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 4263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 4273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 4283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 4293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 4303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 4313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 433bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 4343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 4353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 4363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 4393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 4403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 4413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 4423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 4433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 4443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 4453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 4463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 4473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 4483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 4513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 4523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 4533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 4543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 4553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 4563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 4573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 4583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 4593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 4603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 4613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 4633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 4643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 46626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 46726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 46826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 46926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 47026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 47126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 47226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 47326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 47426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 47526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 47626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 477a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 47826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 47926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 48026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt; 48126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 4823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 4833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WritePNGImage(const ImageInfo *,Image *); 4900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteMNGImage(const ImageInfo *,Image *); 4930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 4953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteJNGImage(const ImageInfo *,Image *); 4973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 5000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 5020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 5038640fb5e9b1094f35f8beab436f81661b8a99448glennrp LosslessReduceDepthOK(Image *image) 5040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 5050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp MagickBooleanType 5060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce=MagickFalse; 5070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp /* Reduce bit depth if it can be reduced losslessly from 16 to 8. 5090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * Note that the method GetImageDepth doesn't check background 5100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * and doesn't handle PseudoClass specially. Also it uses 5110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * multiplication and division by 257 instead of shifting, so 5120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * might be slower. 5130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp */ 5140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5150c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (image->depth == 16) 5160c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5170c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5180c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const PixelPacket 5190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 5200c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 5220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (((((size_t) image->background_color.red >> 8) & 0xff) 5238640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.red & 0xff)) && 5240c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.green >> 8) & 0xff) 5258640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.green & 0xff)) && 5260c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.blue >> 8) & 0xff) 5278640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.blue & 0xff))) ? MagickTrue : 5288640fb5e9b1094f35f8beab436f81661b8a99448glennrp MagickFalse; 5290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 5310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5320c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 5330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5340c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 5350c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5368640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(((((size_t) image->colormap[indx].red >> 5378640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8) & 0xff) 5388640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].red & 0xff)) && 5390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].green >> 8) & 0xff) 5408640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].green & 0xff)) && 5410c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].blue >> 8) & 0xff) 5428640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].blue & 0xff)) && 5430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].opacity >> 8) & 0xff) 5448640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].opacity & 0xff))) ? 54513d07043243e0c8c151aad7db5240b75e76ca281cristy MagickTrue : MagickFalse; 5460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 5520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 5530c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5540c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 5550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 5560c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5570c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 5580c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 5590c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5600c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 5610c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5620c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 5630c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5640c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (p == (const PixelPacket *) NULL) 5650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5660c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 5670c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5680c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5690c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5700c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 5710c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5728640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(( 5738640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->red >> 8) & 0xff) == 5748640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->red & 0xff)) && 5750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->green >> 8) & 0xff) == 5768640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->green & 0xff)) && 5770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->blue >> 8) & 0xff) == 5788640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->blue & 0xff)) && 5798640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((!image->matte || 5808640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->opacity >> 8) & 0xff) == 5818640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->opacity & 0xff))))) ? MagickTrue : MagickFalse; 5820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5860c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p++; 5870c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5888640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 5890c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5910c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 5940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5968640fb5e9b1094f35f8beab436f81661b8a99448glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 5970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 6000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 6010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 6020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 6030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 604e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 605e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_from_Magick_RenderingIntent(const RenderingIntent intent) 6060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 607e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 608e610a071534e448c46460a5aa39ede33bf56b329glennrp { 609e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 610e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 6110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 612e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 613e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 6140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 615e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 616e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 6170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 618e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 619e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 6200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 621e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 622e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 623e610a071534e448c46460a5aa39ede33bf56b329glennrp } 624e610a071534e448c46460a5aa39ede33bf56b329glennrp} 625e610a071534e448c46460a5aa39ede33bf56b329glennrp 626e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 627e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_to_Magick_RenderingIntent(const int png_intent) 6280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 629e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (png_intent) 630e610a071534e448c46460a5aa39ede33bf56b329glennrp { 631e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 632e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 6330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 634e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 635e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 6360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 637e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 638e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 6390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 640e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 641e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 6420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 643e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 644e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 645e610a071534e448c46460a5aa39ede33bf56b329glennrp } 646e610a071534e448c46460a5aa39ede33bf56b329glennrp} 647e610a071534e448c46460a5aa39ede33bf56b329glennrp 648bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 6513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 656bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 6593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6630c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 664dbb105fc25903e800273f7e980c0553060858a68glennrp 6653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 670dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s G r a y % 6713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 675dbb105fc25903e800273f7e980c0553060858a68glennrp% % 676dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsGrayImage except does not change DirectClass to PseudoClass % 677dbb105fc25903e800273f7e980c0553060858a68glennrp% % 678dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 680dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsGray(Image *image) 6813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 685bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 687dbb105fc25903e800273f7e980c0553060858a68glennrp x, 688dbb105fc25903e800273f7e980c0553060858a68glennrp y; 6893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 6913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 6923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 693dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 694dbb105fc25903e800273f7e980c0553060858a68glennrp 695dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 697dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 698dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(image->colormap+i) == MagickFalse) 699dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 700dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 702bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 706dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 707dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 708dbb105fc25903e800273f7e980c0553060858a68glennrp { 709dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(p) == MagickFalse) 710dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 711dbb105fc25903e800273f7e980c0553060858a68glennrp p++; 712dbb105fc25903e800273f7e980c0553060858a68glennrp } 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 714dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 715dbb105fc25903e800273f7e980c0553060858a68glennrp} 716dbb105fc25903e800273f7e980c0553060858a68glennrp 717dbb105fc25903e800273f7e980c0553060858a68glennrp/* 718dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 719dbb105fc25903e800273f7e980c0553060858a68glennrp% % 720dbb105fc25903e800273f7e980c0553060858a68glennrp% % 721dbb105fc25903e800273f7e980c0553060858a68glennrp% % 722dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s M o n o c h r o m e % 723dbb105fc25903e800273f7e980c0553060858a68glennrp% % 724dbb105fc25903e800273f7e980c0553060858a68glennrp% % 725dbb105fc25903e800273f7e980c0553060858a68glennrp% % 726dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 727dbb105fc25903e800273f7e980c0553060858a68glennrp% % 728dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsMonochromeImage except does not change DirectClass to PseudoClass % 729dbb105fc25903e800273f7e980c0553060858a68glennrp% and is more accurate. % 730dbb105fc25903e800273f7e980c0553060858a68glennrp% % 731dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 732dbb105fc25903e800273f7e980c0553060858a68glennrp*/ 733dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsMonochrome(Image *image) 734dbb105fc25903e800273f7e980c0553060858a68glennrp{ 735dbb105fc25903e800273f7e980c0553060858a68glennrp register const PixelPacket 736dbb105fc25903e800273f7e980c0553060858a68glennrp *p; 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 738dbb105fc25903e800273f7e980c0553060858a68glennrp register ssize_t 739dbb105fc25903e800273f7e980c0553060858a68glennrp i, 740dbb105fc25903e800273f7e980c0553060858a68glennrp x, 741dbb105fc25903e800273f7e980c0553060858a68glennrp y; 742a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 743dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image != (Image *) NULL); 744dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image->signature == MagickSignature); 745a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (image->debug != MagickFalse) 746dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 747dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 748a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 749dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 750dbb105fc25903e800273f7e980c0553060858a68glennrp { 751dbb105fc25903e800273f7e980c0553060858a68glennrp if ((IsGray(image->colormap+i) == MagickFalse) || 752dbb105fc25903e800273f7e980c0553060858a68glennrp ((image->colormap[i].red != 0) && 753dbb105fc25903e800273f7e980c0553060858a68glennrp (image->colormap[i].red != (Quantum) QuantumRange))) 754dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 755dbb105fc25903e800273f7e980c0553060858a68glennrp } 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 758dbb105fc25903e800273f7e980c0553060858a68glennrp for (y=0; y < (ssize_t) image->rows; y++) 759dbb105fc25903e800273f7e980c0553060858a68glennrp { 760dbb105fc25903e800273f7e980c0553060858a68glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 761dbb105fc25903e800273f7e980c0553060858a68glennrp if (p == (const PixelPacket *) NULL) 762dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 763dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->red != 0) && (p->red != (Quantum) QuantumRange)) 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsGray(p) == MagickFalse) 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->opacity != OpaqueOpacity) && 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p->opacity != (Quantum) TransparentOpacity)) 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 780d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 8693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 8703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 898d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 899bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 9093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 9103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 9113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 9143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 9163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 9173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 921a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 9223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 9233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 9253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 9263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 929a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 9383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 9403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94203812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 94303812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 9463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 947e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 948e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 9493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 950d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 9513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 9533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 956d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 9573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 9633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 9693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 9703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 9713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 9723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 9743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 9763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 9783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 9803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 9823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 9843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 9863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 9873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 9893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 9913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 9933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 9943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 9953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 9973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 9993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 10003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 10013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 10033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 10043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 10063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 10073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 10093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 10113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 10123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 10133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 10143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 10153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 10163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 10173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 10183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 10193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 10203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 10213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 10223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 10233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 10243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 10253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 10273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 10283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 10293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 10303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 10323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 10343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 10363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 10373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 10383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the orginal PNG from files that have been converted to Xcode-PNG, 10393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 10403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 10413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 10453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 10493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 10503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 10513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10523ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 10583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 10593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 10643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 10653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(msg,MaxTextExtent, 1070e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1071e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1099bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 11150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 11180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 11553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1175bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 11760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1190bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 12010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1202bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 12240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 12290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1242bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1244bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoFreeStruct(MngInfo *mng_info,int *have_mng_structure) 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*have_mng_structure && (mng_info != (MngInfo *) NULL)) 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1252bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 12570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 12610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 12750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 12780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 12810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 12840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1296bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1297bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1298bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1299bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1317bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13198182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 13208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 13210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13318182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13338182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGErrorHandler(png_struct *ping,png_const_charp message) 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 13460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderError, 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1350faa852bad40107edae19405e76a299057668d795glennrp#if PNG_LIBPNG_VER < 10500 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1352faa852bad40107edae19405e76a299057668d795glennrp#else 1353faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1354faa852bad40107edae19405e76a299057668d795glennrp#endif 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGWarningHandler(png_struct *ping,png_const_charp message) 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 13640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1368cc23b9a188db6b1f240825f6d4c52310f5f69765cristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 13690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderWarning, 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_voidp png_IM_malloc(png_structp png_ptr,png_uint_32 size) 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER < 10011) 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_voidp 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret; 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret=((png_voidp) AcquireMagickMemory((size_t) size)); 13830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ret == NULL) 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error("Insufficient memory."); 13860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ret); 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_free_ptr png_IM_free(png_structp png_ptr,png_voidp ptr) 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_read_raw_profile(Image *image, const ImageInfo *image_info, 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp text,int ii) 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1413bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 14253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1446f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 14470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","invalid profile length"); 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(length); 14600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "unable to copy profile"); 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 14720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1473bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","ran out of data"); 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 14890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,&text[ii].key[17],profile); 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 15010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1535bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 15370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1538bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1592faa852bad40107edae19405e76a299057668d795glennrp pass, 1593faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1594faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1595faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1596faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1597faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 1598faa852bad40107edae19405e76a299057668d795glennrp ping_num_trans; 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 16014383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 160405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp UShortPixelPacket 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color; 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1607faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1608faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1609faa852bad40107edae19405e76a299057668d795glennrp 1610faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1611faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1612faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1613faa852bad40107edae19405e76a299057668d795glennrp 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 16203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 16233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1624faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1625faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1626faa852bad40107edae19405e76a299057668d795glennrp ping_width, 1627faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes; 1628faa852bad40107edae19405e76a299057668d795glennrp 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 16303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 16313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 16343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1635bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 16363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 16403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register IndexPacket 16425c6f789db7a30bad01ace12b09ad9cd471339e94cristy *indexes; 16433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1644bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 16503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 165239992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 16533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 16593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 16603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 16633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 16653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOnePNGImage()"); 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1671f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 167425c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 16763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 168061b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 168161b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 168261b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 168361b4c957269727a0a2526edc2331881da8346100glennrp { 168461b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 168561b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 168661b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 168761b4c957269727a0a2526edc2331881da8346100glennrp } 168861b4c957269727a0a2526edc2331881da8346100glennrp# endif 168961b4c957269727a0a2526edc2331881da8346100glennrp#endif 169061b4c957269727a0a2526edc2331881da8346100glennrp 169161b4c957269727a0a2526edc2331881da8346100glennrp 1692ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info = (QuantumInfo *) NULL; 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 16943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING, image, 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler, NULL, 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_malloc_ptr) png_IM_malloc,(png_free_ptr) png_IM_free); 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,image, 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler); 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 17073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 17080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 17100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 17180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) NULL; 17260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1727faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 17333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1734f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 17390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 17417b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 17427b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 17437b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 17447b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 17450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1751faa852bad40107edae19405e76a299057668d795glennrp 17523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 17540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 17663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 17673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 17683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 17693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 17703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 17823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 17833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1787991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 1788991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 1789991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 17923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 17993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1803991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 1807faa852bad40107edae19405e76a299057668d795glennrp 1808faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 1809faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 1810faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 1811faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 1812faa852bad40107edae19405e76a299057668d795glennrp 1813faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 1814faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 1815faa852bad40107edae19405e76a299057668d795glennrp 1816faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 1817faa852bad40107edae19405e76a299057668d795glennrp 1818faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1820faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 1821faa852bad40107edae19405e76a299057668d795glennrp { 1822faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 1823faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 1824faa852bad40107edae19405e76a299057668d795glennrp } 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1826faa852bad40107edae19405e76a299057668d795glennrp 1827faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 1829faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1833e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 1834e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 18350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 1838faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 18390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 1842faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 18430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 1846faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1849faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 1850faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy info, 18573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 18640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 18733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(profile_length); 18743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetStringInfoDatum(profile,(const unsigned char *) info); 18753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,"icc",profile); 18763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intent; 18843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 1886e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1887e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent); 18880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1891e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1892e610a071534e448c46460a5aa39ede33bf56b329glennrp intent); 18930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1896e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy double 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_gamma; 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1904faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 1905faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 1906faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 19070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 19113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1916faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 1917faa852bad40107edae19405e76a299057668d795glennrp { 1918faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 1919faa852bad40107edae19405e76a299057668d795glennrp { 1920faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 1921faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 1922faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 1923faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 1924faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 1925faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 1926faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 1927faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 1928faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 1929faa852bad40107edae19405e76a299057668d795glennrp } 1930faa852bad40107edae19405e76a299057668d795glennrp } 19310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1932faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 19333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 19353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 19363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 19373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 19383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 19393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 19403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 19413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 19430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1949e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1951e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 1952e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 1953e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent)); 1954faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 1955faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 1956faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 1957faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 1960faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 19613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=png_get_x_offset_pixels(ping, ping_info); 19633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=png_get_y_offset_pixels(ping, ping_info); 19640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1968e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 1969e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 1973faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 1974faa852bad40107edae19405e76a299057668d795glennrp { 1975faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 1976faa852bad40107edae19405e76a299057668d795glennrp { 1977faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 1978faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 1979faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 1980faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 1981faa852bad40107edae19405e76a299057668d795glennrp } 1982faa852bad40107edae19405e76a299057668d795glennrp } 1983faa852bad40107edae19405e76a299057668d795glennrp 1984faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unit_type; 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_resolution, 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_resolution; 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 19970881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 19980881b52ab4fee8427578a694081946c4c4e92b35cristy image->x_resolution=(double) x_resolution; 19990881b52ab4fee8427578a694081946c4c4e92b35cristy image->y_resolution=(double) y_resolution; 20000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=(double) x_resolution/100.0; 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=(double) y_resolution/100.0; 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2010e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2011e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2014faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 20230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2025faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 20263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 20283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 20310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2032faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 20383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 20393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 20403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 20413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 20423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 20433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 20483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2049faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 20523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 20533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 20563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 20573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2058faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2059faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 20600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 20623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 20630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 20653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 20660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 20683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 20690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 20713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 20753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 20763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 20773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 20783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 2082faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2083faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 20843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 20850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2086faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 20903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 20940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20952cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == MAGICKCORE_QUANTUM_DEPTH) 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2097faa852bad40107edae19405e76a299057668d795glennrp image->background_color.red=ping_background->red; 2098faa852bad40107edae19405e76a299057668d795glennrp image->background_color.green=ping_background->green; 2099faa852bad40107edae19405e76a299057668d795glennrp image->background_color.blue=ping_background->blue; 21003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21022cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else /* Scale background components to 16-bit */ 21033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21042cbb4489df0a2a31907769956f217d4b9d982bd0glennrp unsigned int 21052cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale; 21062cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21072cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21082cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21092cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 21102cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 21112cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21122cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 1; 21130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == 1) 21152cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 255; 21160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21172cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 2) 21182cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 85; 21190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21202cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 4) 21212cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 17; 21220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21232cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth <= 8) 21242cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale *= 257; 21252cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21262cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->red *= bkgd_scale; 21272cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green *= bkgd_scale; 21282cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->blue *= bkgd_scale; 21292cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21302cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21312cbb4489df0a2a31907769956f217d4b9d982bd0glennrp { 21322cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21332cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 21340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21352cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21362cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 21372cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 21382cbb4489df0a2a31907769956f217d4b9d982bd0glennrp } 21392cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red= 2141faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 21420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green= 2144faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 21450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue= 2147faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->blue); 21480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2149f17da7472c6195cfc91626d98d166cae04345d34cristy image->background_color.opacity=OpaqueOpacity; 21502cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21512cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21522cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2153e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->background_color=(%.20g,%.20g,%.20g).", 2154e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.red, 2155e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.green, 2156e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.blue); 21573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=0; 21613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=0; 21623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=0; 21633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.opacity=0; 2164faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 21703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 21713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 217235ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 217335ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 217435ef824baa82511126ff0072ae30eee0da9c05a3cristy 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2179f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2181faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2182faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2183faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2184faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2185faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2186faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 21873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2192faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 219705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.red= (unsigned short)(ping_trans_color->red); 219805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.green= (unsigned short) (ping_trans_color->green); 219905eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.blue= (unsigned short) (ping_trans_color->blue); 220005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity= (unsigned short) (ping_trans_color->gray); 220105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2202faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22040f111984738842d27d04aed2a3f823d82a943506glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22050f111984738842d27d04aed2a3f823d82a943506glennrp if (ping_bit_depth < MAGICKCORE_QUANTUM_DEPTH) 22060f111984738842d27d04aed2a3f823d82a943506glennrp#endif 220705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity=(unsigned short) ( 22080f111984738842d27d04aed2a3f823d82a943506glennrp ping_trans_color->gray * 220905eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp (65535L/((1UL << ping_bit_depth)-1))); 22100f111984738842d27d04aed2a3f823d82a943506glennrp 221105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 221205eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp else 221305eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity=(unsigned short) ( 221405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp (ping_trans_color->gray * 65535L)/ 221505eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp ((1UL << ping_bit_depth)-1)); 22160f111984738842d27d04aed2a3f823d82a943506glennrp#endif 22170f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 22180f111984738842d27d04aed2a3f823d82a943506glennrp { 22190f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22200f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 22210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22220f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22230f111984738842d27d04aed2a3f823d82a943506glennrp " scaled graylevel is %d.",transparent_color.opacity); 22240f111984738842d27d04aed2a3f823d82a943506glennrp } 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=transparent_color.opacity; 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=transparent_color.opacity; 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=transparent_color.opacity; 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2234faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2239faa852bad40107edae19405e76a299057668d795glennrp 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2241faa852bad40107edae19405e76a299057668d795glennrp 2242faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2243faa852bad40107edae19405e76a299057668d795glennrp 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2248bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2250bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 22513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2253faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2254faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 22553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2265faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2266faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2267faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2268faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2269faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2271befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2272befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2273befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2275befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2276befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=256; 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 65536L) 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=65536L; 22833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2284faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2293bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 22940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (AcquireImageColormap(image,image->colors) == MagickFalse) 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2309faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 23123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 23153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 23180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2319bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 23283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2329bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 23303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 23313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2332faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 23330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 23353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 23360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2337bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 23383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 23403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 23493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 23500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23510ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2352347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2353347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 23543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2357e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 23583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 23593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2361f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 23623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 23660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 23683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 23730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2376faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes*sizeof(*png_pixels)); 23770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2379faa852bad40107edae19405e76a299057668d795glennrp png_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 23803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 23810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 23883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 23903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2391faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 23923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 23953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2398f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 23993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 24003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 24013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info = DestroyQuantumInfo(quantum_info); 24020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 24043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 24050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 24090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 24117b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 24127b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 24137b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 24147b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 24150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 24173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2419ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 24200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2421ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 2422ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 24230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2424c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2425c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2426c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2427c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2428c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2429c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 2430c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 24313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 24323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2433c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 2434c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2435c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 2436c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 2437c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 2438c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 2439c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp int 2440c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth; 24413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2442c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth=(ssize_t) ping_bit_depth; 24433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2444c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2445c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2446c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2447c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickTrue : MagickFalse; 24480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2449c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 2450c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2451c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 2452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 24530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2454c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 2455c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 24560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2457c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_read_row(ping,png_pixels+row_offset,NULL); 2458c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q == (PixelPacket *) NULL) 2461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 24620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2463c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (0 && (MAGICKCORE_QUANTUM_DEPTH == 8) && !defined(MAGICKCORE_HDRI_SUPPORT)) 2464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp/* code deleted from version 6.6.6-8 */ 2465c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#else /* (MAGICKCORE_QUANTUM_DEPTH != 8) */ 24660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GrayQuantum,png_pixels+row_offset,exception); 24700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2471c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2473c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GrayAlphaQuantum,png_pixels+row_offset,exception); 24740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2475c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 24763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2477c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp RGBAQuantum,png_pixels+row_offset,exception); 24780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2479c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp IndexQuantum,png_pixels+row_offset,exception); 24820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2483c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 2484c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2485c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp RGBQuantum,png_pixels+row_offset,exception); 2486c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#endif 2487c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 2488c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2489c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 2490c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 2491c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 24925aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 24935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 24945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (q->opacity != OpaqueOpacity)) 2495c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2496c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 2497c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 25004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 25014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (q->red == transparent_color.red && 25024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->green == transparent_color.green && 25034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->blue == transparent_color.blue)) 25044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 25054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 25064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 25074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q++; 2509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2510c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2512c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 2513c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2514c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2515c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 25160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2517c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 2518c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2519c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2520c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 2521c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2522c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2524c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 25257a287bfadeadea12e47c2376ca78a5d101687142cristy { 2526c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 25277a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 25287a287bfadeadea12e47c2376ca78a5d101687142cristy break; 25297a287bfadeadea12e47c2376ca78a5d101687142cristy } 25303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 2534c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 25383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 25393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 25413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 25423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2546faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 25473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 25480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 25510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 25533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 25540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2555bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2558faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 2559c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 25613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 2562c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_row(ping,png_pixels+row_offset,NULL); 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 25650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 25673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25695c6f789db7a30bad01ace12b09ad9cd471339e94cristy indexes=GetAuthenticIndexQueue(image); 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=png_pixels+row_offset; 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 2572c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2573faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 25743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2577bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2580bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 25833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 25853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2589bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 259547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2598bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 25993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 6) & 0x03; 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x03; 26023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 2) & 0x03; 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x03; 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2608bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p >> (i*2)) & 0x03); 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 261447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2617bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x0f; 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x0f; 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++ >> 4) & 0x0f; 26250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 262847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 26303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2631faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 2632bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* In image.h, OpaqueOpacity is 0 26363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * TransparentOpacity is QuantumRange 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * In a PNG datastream, Opaque is QuantumRange 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and Transparent is 0. 26393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleCharToQuantum((unsigned char) (255-(*p++))); 2641c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 2642c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 26433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2647bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 265247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 26543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2655bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 16) 2658bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=(Quantum) quantum; 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 267147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2672faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=((*p++) << 8); 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-quantum); 2677c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 2678c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 26823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 2683bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=quantum; 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 26960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2697faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(*p << 8) | *(p+1); 2700afee4d36aae894a74306a3c492437ca55dce2badcristy q->opacity*=65537L; 270146f08209f719f4adeea742c45873c2714e80cdb9cristy q->opacity=(Quantum) GetAlphaPixelComponent(q); 2702afee4d36aae894a74306a3c492437ca55dce2badcristy if (q->opacity != OpaqueOpacity) 2703c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=2; 27053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 270747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++); 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* strip low byte */ 271147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2712faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-(*p++)); 2715c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 2716c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 272347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 272647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 27323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 27340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2735bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 273680ac8b9110f1adf7202ed1f4f244cbb1a4e1a56fcristy indexes[x]=(IndexPacket) (*r++); 27370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 27393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27417a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 27427a287bfadeadea12e47c2376ca78a5d101687142cristy { 2743cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2744cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 274547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27467a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 27477a287bfadeadea12e47c2376ca78a5d101687142cristy break; 27487a287bfadeadea12e47c2376ca78a5d101687142cristy } 27493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2750c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27517a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 275447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2758c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 27603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2761c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2762c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=found_transparent_pixel; 2763c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2764c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 2765c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2766c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 2767c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2768c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 2769c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 27705aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 27715aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27725aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 27735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 27745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 2775c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2776c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2777c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2778b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 2779b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 27800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27815c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 27825c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 2783aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 27845c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 27855c6f789db7a30bad01ace12b09ad9cd471339e94cristy 27865c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 27875c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 27885c6f789db7a30bad01ace12b09ad9cd471339e94cristy (void) SyncImage(image); 2789aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 27905c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 279147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_end(ping,ping_info); 27933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 2795bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 27963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 27983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 27993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 28003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 28013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2802f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 28033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 28043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 28073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 28083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 280947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2810faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 28133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 28143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 28173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 28193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 2820c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28213c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 2822c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 28240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2826c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 28270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 28280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = 28300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleCharToQuantum((unsigned char)(255-ping_trans_alpha[x])); 28310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2832c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 283347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 28370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 28390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent_color.opacity) 28400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = (Quantum) TransparentOpacity; 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 28460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 284747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 28510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 28530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 2854c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (q == (PixelPacket *) NULL) 28560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2857c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp indexes=GetAuthenticIndexQueue(image); 28590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 28610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ScaleQuantumToChar(q->red) == transparent_color.red && 28634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ScaleQuantumToChar(q->green) == transparent_color.green && 28644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ScaleQuantumToChar(q->blue) == transparent_color.blue) 28654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q->opacity=(Quantum) TransparentOpacity; 28674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 28680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->opacity=(Quantum) OpaqueOpacity; 28724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 28730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q++; 28750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 28780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2879c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 28800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2881c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 28833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28843c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 2885b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy if ((ping_color_type == PNG_COLOR_TYPE_GRAY) || 2886b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2887b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy image->colorspace=GRAYColorspace; 288847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_text(ping,ping_info,&text,&num_text) != 0) 2890bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) num_text; i++) 28913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check for a profile */ 28933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG text chunk"); 28970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(text[i].key, "Raw profile type ",17) == 0) 28993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_read_raw_profile(image,image_info,text,(int) i); 29000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=text[i].text_length; 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*value)); 29093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value == (char *) NULL) 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value='\0'; 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(value,text[i].text,length+2); 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProperty(image,text[i].key,value); 29190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Keyword: %s",text[i].key); 29230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=DestroyString(value); 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29273c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 29293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 29333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 294073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 29410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 29433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 29453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 29463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 294847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 29503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 29513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 29583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 29603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 29683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 29690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 29720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 29750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 29793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2981faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 29823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 29830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2984faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 2985faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 2986faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 2987faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 2988faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 2989faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 2990faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 2991faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 29920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2993faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 29963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 30063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 301247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 30153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3025f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 30310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 30333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 30363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 30383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 30413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 30443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 30534383ec8c3c8811128f5a8a034d67c47db5e7e75acristy have_mng_structure; 30544383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 30554383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 30603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 30633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 30653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 306647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 30683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 30693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 307047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 30723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 30733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadPNGImage()"); 30743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 30753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 30763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 307747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 30793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 308047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 30833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 308547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 308847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 30913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 309373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 309447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 309747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 31023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 310847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 31230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 312647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 312847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 31340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 313747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG8") == 0) 31393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,PaletteType); 31410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 31433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: Reduce to binary transparency */ 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 314747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 31493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorType); 31513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 31523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorMatteType); 31560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 31590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 31673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 31803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 31853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 31873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 31883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 31903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 31963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 31983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 31993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 32013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 32033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 32043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 32103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32114383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 32124383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 32134383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3214bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 32153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 32163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 32193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 32213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 32223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 32233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 32253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 32263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 32303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 32313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 32323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 32333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3237bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 32393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 32403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 32423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 32433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 32453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 32493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3252bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 32533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 32543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 32563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 32573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 32633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOneJNGImage()"); 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 32690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 32780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 32800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 32830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 33023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 33053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 33110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3322e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3323e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 33270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 333047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 33340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 33370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3338bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 33393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 33400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 334347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 33473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 335047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 33523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3358bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3360bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 33613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 33623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 336647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 336947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 33723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 337447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3378f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 337947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3381f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 338247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 338547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 33883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 338947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 33923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 339347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 33963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 339747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 34003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 340147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 340547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 34083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 340947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 34123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 34133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 341547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 341847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 343473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 343547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 34373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 343847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=AcquireImage(color_image_info); 34410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 34480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 34503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 34513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 345973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 34600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=AcquireImage(alpha_image_info); 34660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 34683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 34703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 34723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 34770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 34793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 34803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 34930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 34960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 349903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 35013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 351647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 352347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 352647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 35333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 35343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 353547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3543bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 354503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 35463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 35503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 356047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 35613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 35673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 35783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 35800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 35903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 35923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 35933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 35993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 36003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 36108182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 36110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 36218182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 36228182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 36238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 36248182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 36258182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 36268182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 36278182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 36283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 362947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3638e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 3639e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 36403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 36413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 36423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 36433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 36443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 36453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 36463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 36473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 36493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 365047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36598182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.x=mng_get_long(p); 36608182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.y=mng_get_long(&p[4]); 36610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 366847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->x_resolution=(double) mng_get_long(p); 36808182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->y_resolution=(double) mng_get_long(&p[4]); 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=image->x_resolution/100.0f; 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=image->y_resolution/100.0f; 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy opacity samples of main image. 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 373847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 37420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(color_image_info->filename,MaxTextExtent,"%s", 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 37450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 37480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 37620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns*sizeof(PixelPacket); 37660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception); 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(q,s,length); 377247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 37780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 37873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 378903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 37923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 37950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading opacity from alpha_blob."); 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(alpha_image_info->filename,MaxTextExtent, 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 38040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 3806bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 38073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 38093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 381147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 3813bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3817bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q->opacity != OpaqueOpacity) 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 38253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 38263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 38313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 383547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 383647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 38440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 38460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 38470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 38500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 38520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 38560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 38623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 38630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 38670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 39184383ec8c3c8811128f5a8a034d67c47db5e7e75acristy have_mng_structure; 39194383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 39204383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadJNGImage()"); 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 39380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 394547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 394647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 394847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 395247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 395347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 395573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 39560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 396047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 396147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 39690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 398547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 39970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 40154383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 40164383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4023bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4048bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4054bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4071bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 408038ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 408138ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 408238ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4083bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 410547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 410647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadMNGImage()"); 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 41160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 412347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 412447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 412547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 412673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 41270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 413147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 413247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 414247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 414647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 414747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4150bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4151bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 415547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4198e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4199e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 42030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 42060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 42090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 421347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 421647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4217bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 421947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 42330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 42440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 424947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 42540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 42610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4267bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 42690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4270bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 42720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4276e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4278e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 42828182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 42830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 42860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 42900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 42930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 42978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 43010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 43040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 43070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 431447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 43160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 43270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4328e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (void) FormatMagickString(page_geometry,MaxTextExtent, 4329e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4330f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 43310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4333bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4335bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 43370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 43393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 43400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 43530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 43578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 43580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 43610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 43700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4372e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 43730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4375e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 43890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 44180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 44210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 44280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 44290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 44310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 44320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4436e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 4437f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 44380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4440e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 4441f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 44510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 44580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 44810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 44840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.opacity=OpaqueOpacity; 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 450747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 451047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 451147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 45170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4518bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 452535ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 45400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 454447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 4550bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 455712560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4565bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45688182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 45750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 458247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 458347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 45878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 45888182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 45908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 45928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 45948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 45968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 45988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 460347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 460747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4615e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 4616e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 462147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 462547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 463547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 463847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 46450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 46480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 465247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 46553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 46560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 46600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 466347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 466447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 466647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4667bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 466947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 467147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4672bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 468347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 46878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 46880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 46908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 46910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4692bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4693bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 46940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 46970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 46990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4702e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 470447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4707bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 4708bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 47090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4710bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 4711bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 47120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4713bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4714bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 47150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 47180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4723e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 47243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 472547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 47310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 4735e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 4736e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 473747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 47450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4746bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 47480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4749bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4757e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 4758e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 47590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 476347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 476747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 477447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 47890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 48000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 4804e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 4805e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 482247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 483447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 485847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 485947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4868bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4871bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 488347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4886bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 489047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 489147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 4894bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 491147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4918bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 492147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 492247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 49238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 49240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4927e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 4928e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 49290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 49320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 494347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 494747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 495947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 49660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 4970e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 4971f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 497247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 49770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 498247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 500047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 500447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 501147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 50310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 50340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 50370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 504847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 505447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 506047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 506347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 506947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 507247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 507847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 508147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 508747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 509047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 509647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 509947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 510547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 510847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 511447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 511847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 512647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 514547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 515247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 515547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 516247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 516547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 517047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 51868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 51888182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 519247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 520147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 520747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 521247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5215bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5217bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 522547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 522847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 523147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 523447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 523747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 524047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 524347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 525147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 525447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 525747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 526247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 527247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 527947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 528247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 528847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 529647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 52988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5311bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5313bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 532147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 532847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 533247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 533947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 534247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 534347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 534447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5356e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5357e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 537447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 538147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 53860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 539647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 54070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5411e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5412e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 541647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 542347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 543047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 54360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 54390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 54623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 546347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 546747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 547247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5473bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 547447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 548647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 553247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 553547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 553747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 553847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 554047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55434e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 554447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 554747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 555047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 555247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 555347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 555547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 555947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 556247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 556447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 556547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 556747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55704e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 557147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 557447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 557747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 557947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 558047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 558247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5592bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5596bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next, 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *prev; 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 561147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 561247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 561647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 561847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5642bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 564647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5647bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleQuantumToShort(q->red); 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleQuantumToShort(q->green); 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleQuantumToShort(q->blue); 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleQuantumToShort(q->opacity); 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 565547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 566647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->background_color.opacity=OpaqueOpacity; 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 567147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 567447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 567747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 568047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5689e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 5690bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=(size_t) image->columns; 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*next)); 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*prev)); 569547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((prev == (PixelPacket *) NULL) || 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next == (PixelPacket *) NULL)) 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 570747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5708bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 5711bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 571247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 5714bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 571547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5716bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 5717bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 571847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5719bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 572147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5723bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 572447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 572847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5729bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 573547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5741bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1,exception); 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q+=(large_image->columns-image->columns); 574747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5748bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57505c6f789db7a30bad01ace12b09ad9cd471339e94cristy /* TO DO: get color as function of indexes[x] */ 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); /* replicate previous */ 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 576647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 5770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).red=(QM) (((ssize_t) (2*i*((*n).red 5771bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).red)+m))/((ssize_t) (m*2)) 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).red); 5773bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).green=(QM) (((ssize_t) (2*i*((*n).green 5774bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).green)+m))/((ssize_t) (m*2)) 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).green); 5776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).blue=(QM) (((ssize_t) (2*i*((*n).blue 5777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).blue)+m))/((ssize_t) (m*2)) 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).blue); 577947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 5781bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (2*i*((*n).opacity 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).opacity)+m)) 5784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).opacity); 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 578647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 580247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 580547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5808bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) (2*i*((*n).opacity 5809bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m))/((ssize_t) (m*2)) 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels++; 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 581747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 58193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 582047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 582347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) RelinquishMagickMemory(prev); 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) RelinquishMagickMemory(next); 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5842e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5844bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=q+(image->columns-length); 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=pixels+1; 585247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5853bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 5854bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 5857bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 585847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5859bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 5860bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 586147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5862bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 5863bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 586447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5865bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 586747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5869bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 587047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 588347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).red=(QM) ((2*i*((*n).red 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).red)+m) 5889bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).red); 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).green=(QM) ((2*i*((*n).green 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).green) 5892bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy +m)/((ssize_t) (m*2))+(*pixels).green); 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).blue=(QM) ((2*i*((*n).blue 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).blue)+m) 5895bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).blue); 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5898bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m)/((ssize_t) (m*2)) 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 590147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 591147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 591747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 592047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5925bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m) /((ssize_t) (m*2)) 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 593447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5944bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 594747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5948bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleShortToQuantum(q->red); 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleShortToQuantum(q->green); 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleShortToQuantum(q->blue); 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleShortToQuantum(q->opacity); 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 595647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 599047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6006bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6007bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 601347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 602547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 60492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 60502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 60512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 60522b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 60532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 60542b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 60552b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 60560c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 60578640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 60588640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6060d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageException(image,exception); 606247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6066bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6069d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6073d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 607547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 607747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 608147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 60920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 610347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 610747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 61200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 61230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 61280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 613947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 614347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 61480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 615347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 615947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 616747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 617847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 618147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 618447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 61913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 61920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 61980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 620347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 62090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 62110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6214e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6215e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 62160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 622447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 622747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6229e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 623047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6235e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6247bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 625247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=CoalesceImages(image,&image->exception); 625547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 625847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 626147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 627047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 627347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 629047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 630047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 630347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6305e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6306e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 630747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 6309f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 6310f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 631147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6312f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6313e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 6314e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 6315f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 6316f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 631747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 632147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 632447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 632725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 633247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 633547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 633847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 634325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6366bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6369bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 638247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 638847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 639647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 640047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 640847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 641147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 641647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 641947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 642247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 642847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 643347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 643847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 644147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 644647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 645147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 64603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 646147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 646547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 647547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 648047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 648847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 649347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 650147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 650847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 651547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 651618b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 651718b17443128598500357da7bff2f01683cf32890cristy png_semaphore=AllocateSemaphoreInfo(); 651818b17443128598500357da7bff2f01683cf32890cristy#endif 651947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 655047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6552514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy if (png_semaphore != (SemaphoreInfo *) NULL) 6553514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy DestroySemaphoreInfo(&png_semaphore); 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 655825c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Fix problem with palette sorting (when PNG_SORT_PALETTE is enabled, 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% some GIF animations don't convert properly) 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 66163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 66323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6644bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 66660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(dp,allocated_length- 6687f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 668947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6690bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 67033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 670447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 670747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType png_write_chunk_from_profile(Image *image, 67144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 67183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 672847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 672947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 673047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 673247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_profile; 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 673847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 673947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 674047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 674147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 674247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 674347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 674447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=CloneStringInfo(profile); 674547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data=GetStringInfoDatum(png_profile), 674647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp length=(png_uint_32) GetStringInfoLength(png_profile); 674747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 674847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 674947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 675047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 675147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 675247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 675347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 675447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=DestroyStringInfo(png_profile); 675547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 675747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 676047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6764b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6765b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 6767b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp const ImageInfo *IMimage_info,Image *IMimage) 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6769b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp Image 6770b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image; 6771b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6772b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp ImageInfo 6773b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image_info; 6774b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 67873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte, 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 6789cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 6790cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 67914383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 67924383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 67934383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 6794e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 6795e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 67965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 679739992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 679839992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 68015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 68025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 68035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 68053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 68083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 68115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 68125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 68135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6814bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 6818d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 681939992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 6820991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 6821991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 6822991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 682326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 682426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 682526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 682626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 682726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 682826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 682926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 683026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 683126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 683226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 683326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 6834a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 683526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 683626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 683726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 683826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 68390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 68400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 68453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6846bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 68473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 68483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 68493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 68523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 68543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte; 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 68570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 68585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 68595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 68605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 68615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 68625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 68635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6864bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_colors, 68665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 68675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6869bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 687039992b4dd9b12ef752d55b8e402c069698851f72glennrp number_colors, 68713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 68743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6875dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 68768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 68778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 68788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 6879dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 6880dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6881dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 6882dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 6883dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 6884dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 68863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOnePNGImage()"); 68873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6888b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image = CloneImage(IMimage,0,0,MagickFalse,&IMimage->exception); 6889b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 6890b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6891b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 6892b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6893b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception) == 6894b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickFalse) 6895b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6896b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 6897b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 6898b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp return(MagickFalse); 6899b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6900b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6901b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6903f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 69043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 69070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 69085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 69095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 69105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 69115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 69125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 69135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 69155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 69165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 69175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 69185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 69195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 69215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 69225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 69235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 69245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6925dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 6926dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 6927dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 6928dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6929d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 693039992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 6931991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 6932991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 6933991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 6934991d11dd9c33e65872778b81aff1347cd2878154glennrp 69350e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 69360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69370e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_EXIF=mng_info->ping_exclude_EXIF; /* hex-encoded EXIF in zTXt */ 69380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 69390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 69410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 69420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 69430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 69440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 69450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 69460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tRNS=mng_info->ping_exclude_tRNS; 69470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 69480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 69490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 69500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 69520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 69548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 69558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 69568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colorspace != RGBColorspace) 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) TransformImageColorspace(image,RGBColorspace); 69590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 69613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 69623241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 69633241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 69643241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 69653241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 69663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 69672b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 69692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 69702b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 69712b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 69722b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 69732b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 69742b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 69758640fb5e9b1094f35f8beab436f81661b8a99448glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 69767e2c405930c984e8ffb49b26efdfe1649bf394d6cristy if (image->depth == 16 && mng_info->write_png_colortype != 16) 69778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png8 || LosslessReduceDepthOK(image) != MagickFalse) 69788640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 69798640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 69808640fb5e9b1094f35f8beab436f81661b8a99448glennrp 698183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp#ifdef PNG_BUILD_PALETTE 6982d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype < 8 /* all */) 698383c2de583a59e41b57be8036d1cf7392c01d03d7glennrp { 698483c2de583a59e41b57be8036d1cf7392c01d03d7glennrp /* 69857ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 6986d6bf1617e99df0272b231855a933a74e99b6578fglennrp * This code will build a colormap. 69877ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * 69883241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * Also, sometimes we get PseudoClass images with an out-of-date 69893241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * colormap. This code will replace the colormap with a new one. 6990d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 6991d6bf1617e99df0272b231855a933a74e99b6578fglennrp * This code will delete the colormap and change the image to 6992d6bf1617e99df0272b231855a933a74e99b6578fglennrp * DirectClass. 69938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * 69948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * Also we gather some information (number of opaque, transparent, 6995d6bf1617e99df0272b231855a933a74e99b6578fglennrp * and semitransparent pixels, and whether the image has any non-gray 6996d6bf1617e99df0272b231855a933a74e99b6578fglennrp * pixels) that we might need later. If the user wants to force 6997d6bf1617e99df0272b231855a933a74e99b6578fglennrp * GrayAlpha or RGBA (colortype 4 or 6) we probably don't need any 6998d6bf1617e99df0272b231855a933a74e99b6578fglennrp * of that. 69997ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp */ 70003c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ExceptionInfo 70028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *exception; 70038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp int 70058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp n; 70068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PixelPacket 7008d6bf1617e99df0272b231855a933a74e99b6578fglennrp colormap[800], 7009d6bf1617e99df0272b231855a933a74e99b6578fglennrp opaque[260], 7010d6bf1617e99df0272b231855a933a74e99b6578fglennrp semitransparent[260], 7011d6bf1617e99df0272b231855a933a74e99b6578fglennrp transparent[260]; 70128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register IndexPacket 70148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *indexes; 70158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7016d6bf1617e99df0272b231855a933a74e99b6578fglennrp register const PixelPacket 7017d6bf1617e99df0272b231855a933a74e99b6578fglennrp *q; 7018d6bf1617e99df0272b231855a933a74e99b6578fglennrp 701903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 702003812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 702103812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Enter BUILD_PALETTE:"); 70223c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image->colors=GetNumberColors(image,(FILE *) NULL,&image->exception); 70248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_colors=image->colors; 70258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 70277ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70287ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->columns=%.20g",(double) image->columns); 70308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->rows=%.20g",(double) image->rows); 70328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image_matte=%.20g",(double) image->matte); 70348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->depth=%.20g",(double) image->depth); 70362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->colormap != NULL) 70387ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70397ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Original colormap:"); 70418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " i (red,green,blue,opacity)"); 70438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) image->colors; i++) 70458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 70468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " %d (%d,%d,%d,%d)", 70488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int) i, 70498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int) image->colormap[i].red, 70508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int) image->colormap[i].green, 70518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int) image->colormap[i].blue, 70528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int) image->colormap[i].opacity); 70538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 70547ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->colors=%d",(int) image->colors); 70582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->colors == 0) 70608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " (zero means unknown)"); 706283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 706303812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 706403812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Regenerate the colormap"); 706503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 70667ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp exception=(&image->exception); 70687ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7069d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickFalse; 7070d6bf1617e99df0272b231855a933a74e99b6578fglennrp image_colors=0; 7071d6bf1617e99df0272b231855a933a74e99b6578fglennrp 70728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 70738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 707498bd891f2d35aeb2086bd36e81ededf2da65e714cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 70752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (q == (PixelPacket *) NULL) 70778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 70787ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7079d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (x=0; x < (ssize_t) image->columns; x++) 7080d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7081d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (q->red != q->green || q->red != q->blue) 7082d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 70837ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7084d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_colors == 0) 7085d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7086d6bf1617e99df0272b231855a933a74e99b6578fglennrp /* Initialize the colormap */ 7087d6bf1617e99df0272b231855a933a74e99b6578fglennrp colormap[0]=*q; 7088d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7089d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image->matte == MagickFalse) 7090d6bf1617e99df0272b231855a933a74e99b6578fglennrp colormap[0].opacity = OpaqueOpacity; 70912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7092d6bf1617e99df0272b231855a933a74e99b6578fglennrp image_colors=1; 7093d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 70947ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70954383ec8c3c8811128f5a8a034d67c47db5e7e75acristy for (i=0; i< (ssize_t) image_colors; i++) 70968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 70978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (((image->matte == MagickFalse || 70988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp colormap[i].opacity == q->opacity)) && 70998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (IsColorEqual(colormap+i, (PixelPacket *) q))) 71008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 71018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 71027ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 71034383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (i == (ssize_t) image_colors && image_colors < 299) 71048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 71053c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7106d6bf1617e99df0272b231855a933a74e99b6578fglennrp image_colors++; 71073241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7108d6bf1617e99df0272b231855a933a74e99b6578fglennrp colormap[i]=*q; 71093241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7110d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image->matte == MagickFalse) 7111d6bf1617e99df0272b231855a933a74e99b6578fglennrp colormap[i].opacity = OpaqueOpacity; 7112d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 71133241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp q++; 71158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 71168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 71173c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 711903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 712003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 712103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (image_colors >= 800) 712203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 712303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image has more than 800 colors"); 71243241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 712503812ae402fb53d548f0e1d7d14720768f803c2dglennrp else 712603812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 712703812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image has %d colors",(int)image_colors); 712803812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 71292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 713003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 713103812ae402fb53d548f0e1d7d14720768f803c2dglennrp Initialize image colormap. 713203812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 71332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 713403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 71358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Sort the new colormap"); 71373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 713803812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* Sort palette, transparent first */; 71394383ec8c3c8811128f5a8a034d67c47db5e7e75acristy for (i=0; i< (ssize_t) image_colors; i++) 714003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 714103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (colormap[i].opacity == OpaqueOpacity) 714203812ae402fb53d548f0e1d7d14720768f803c2dglennrp opaque[number_opaque++] = colormap[i]; 71433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 714403812ae402fb53d548f0e1d7d14720768f803c2dglennrp else if (colormap[i].opacity == TransparentOpacity) 714503812ae402fb53d548f0e1d7d14720768f803c2dglennrp transparent[number_transparent++] = colormap[i]; 71463241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 714703812ae402fb53d548f0e1d7d14720768f803c2dglennrp else 714803812ae402fb53d548f0e1d7d14720768f803c2dglennrp semitransparent[number_semitransparent++] = 714903812ae402fb53d548f0e1d7d14720768f803c2dglennrp colormap[i]; 715003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 71513241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71523241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 715303812ae402fb53d548f0e1d7d14720768f803c2dglennrp n = 0; 71543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 715503812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<number_transparent; i++) 715603812ae402fb53d548f0e1d7d14720768f803c2dglennrp colormap[n++] = transparent[i]; 71573241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 715803812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<number_semitransparent; i++) 715903812ae402fb53d548f0e1d7d14720768f803c2dglennrp colormap[n++] = semitransparent[i]; 71603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 716103812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<number_opaque; i++) 716203812ae402fb53d548f0e1d7d14720768f803c2dglennrp colormap[n++] = opaque[i]; 71633241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 71654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 71664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* Add the background color to the palette, if it 71674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * isn't already there. 71684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 71694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i<number_opaque; i++) 71704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 71714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsColorEqual(opaque+i, 71724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp &image->background_color)) 71734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 71744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 71753241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_opaque < 257 && i == number_opaque) 71774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 71784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp opaque[i]=image->background_color; 71794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp opaque[i].opacity = OpaqueOpacity; 71804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp number_opaque++; 71814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 71824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 71834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 71844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent == 1) 71854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 71864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red= (unsigned short)(transparent[0].red); 71874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green= (unsigned short) (transparent[0].green); 71884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue= (unsigned short) (transparent[0].blue); 71894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray= (unsigned short) (transparent[0].blue); 71904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 7191d6bf1617e99df0272b231855a933a74e99b6578fglennrp 719203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 719303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 719403812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 719503812ae402fb53d548f0e1d7d14720768f803c2dglennrp " number_transparent = %d", 719603812ae402fb53d548f0e1d7d14720768f803c2dglennrp number_transparent); 7197d6bf1617e99df0272b231855a933a74e99b6578fglennrp 719803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 719903812ae402fb53d548f0e1d7d14720768f803c2dglennrp " number_opaque = %d", 720003812ae402fb53d548f0e1d7d14720768f803c2dglennrp number_opaque); 7201d6bf1617e99df0272b231855a933a74e99b6578fglennrp 720203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 720303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " number_semitransparent = %d", 720403812ae402fb53d548f0e1d7d14720768f803c2dglennrp number_semitransparent); 720503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 72063241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 72080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent == 0 && number_semitransparent == 0)) && 72090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (((mng_info->write_png_colortype-1) == PNG_COLOR_TYPE_PALETTE) || 72100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (mng_info->write_png_colortype == 0))) 721103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 721203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 721303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 72144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (n != (ssize_t) image_colors) 721503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 721603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image_colors (%d) and n (%d) don't match", 721703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image_colors, n); 72183241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 721903812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 722003812ae402fb53d548f0e1d7d14720768f803c2dglennrp " AcquireImageColormap"); 722103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 72223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 722303812ae402fb53d548f0e1d7d14720768f803c2dglennrp image->colors = image_colors; 72243241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 722503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (AcquireImageColormap(image,image_colors) == 722603812ae402fb53d548f0e1d7d14720768f803c2dglennrp MagickFalse) 722703812ae402fb53d548f0e1d7d14720768f803c2dglennrp ThrowWriterException(ResourceLimitError, 722803812ae402fb53d548f0e1d7d14720768f803c2dglennrp "MemoryAllocationFailed"); 72293241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72304383ec8c3c8811128f5a8a034d67c47db5e7e75acristy for (i=0; i< (ssize_t) image_colors; i++) 723103812ae402fb53d548f0e1d7d14720768f803c2dglennrp image->colormap[i] = colormap[i]; 72323c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 723303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 723403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 723503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 723603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image->colors=%d (%d)", 723703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image->colors, (int) image_colors); 72387ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 723903812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 724003812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Update the pixel indexes"); 724103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 72423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 724303812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (y=0; y < (ssize_t) image->rows; y++) 724403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 724503812ae402fb53d548f0e1d7d14720768f803c2dglennrp q=GetAuthenticPixels(image,0,y,image->columns,1, 724603812ae402fb53d548f0e1d7d14720768f803c2dglennrp exception); 72472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 724803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (q == (PixelPacket *) NULL) 724903812ae402fb53d548f0e1d7d14720768f803c2dglennrp break; 72503c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 725103812ae402fb53d548f0e1d7d14720768f803c2dglennrp indexes=GetAuthenticIndexQueue(image); 72523c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 725303812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (x=0; x < (ssize_t) image->columns; x++) 725403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 72554383ec8c3c8811128f5a8a034d67c47db5e7e75acristy for (i=0; i< (ssize_t) image_colors; i++) 725603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 725703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if ((image->matte == MagickFalse || 725803812ae402fb53d548f0e1d7d14720768f803c2dglennrp image->colormap[i].opacity == q->opacity) && 725903812ae402fb53d548f0e1d7d14720768f803c2dglennrp (IsColorEqual(&image->colormap[i],(PixelPacket *) q))) 726003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 726103812ae402fb53d548f0e1d7d14720768f803c2dglennrp indexes[x]=(IndexPacket) i; 72628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 726303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 726403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 726503812ae402fb53d548f0e1d7d14720768f803c2dglennrp q++; 72668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 726783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 726803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 726903812ae402fb53d548f0e1d7d14720768f803c2dglennrp break; 727003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 727103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 72723c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 727303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 727403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 727503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 727603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image->colors=%d", (int) image->colors); 72773c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 727803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (image->colormap != NULL) 727903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 728003812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 728103812ae402fb53d548f0e1d7d14720768f803c2dglennrp " i (red,green,blue,opacity)"); 72823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 728303812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i < (ssize_t) image->colors; i++) 728403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 728503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 728603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " %d (%d,%d,%d,%d)", 728703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) i, 728803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image->colormap[i].red, 728903812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image->colormap[i].green, 729003812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image->colormap[i].blue, 729103812ae402fb53d548f0e1d7d14720768f803c2dglennrp (int) image->colormap[i].opacity); 729203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 729303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 729403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 729503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 729603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 729703812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 729883c2de583a59e41b57be8036d1cf7392c01d03d7glennrp } 72993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp#endif /* PNG_BUILD_PALETTE */ 73003c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 73010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 73020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 73030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 73040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp int colortype=mng_info->write_png_colortype; 73050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 73070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 73080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 73100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 73110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73124383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (colortype != 0 && mng_info->write_png_colortype != (ssize_t) colortype) 73130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 73140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 73160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73173c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 73183c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 73193c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 73203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 73213c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_colors=image->colors; 73223c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 732383c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 73240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 73258eb57274a813fc3f2e2f96b166eb569f5e17aa26glennrp image_colors <= 256; 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,image, 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler,(void *) NULL, 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_malloc_ptr) png_IM_malloc,(png_free_ptr) png_IM_free); 73340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,image, 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler); 73380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 73420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 73440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) NULL; 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7365f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7367b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 7368b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 7369b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 7370b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 73783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 73792b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 73813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 73823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 73842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73872b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 73892b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 73904e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 73914e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 73922b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 73950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 73980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 74020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 74050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 74080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7412e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7414e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7416e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74188640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74208640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74228640fb5e9b1094f35f8beab436f81661b8a99448glennrp 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 74245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 7425dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 742626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 742826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 742926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 74303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->x_resolution != 0) && (image->y_resolution != 0) && 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 7434dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7435dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 74383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7439dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7440dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution/2.54); 7441dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution/2.54); 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7443dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7446dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7447dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution); 7448dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution); 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7450991d11dd9c33e65872778b81aff1347cd2878154glennrp 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7453dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 7454dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) image->x_resolution; 7455dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) image->y_resolution; 74563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7457991d11dd9c33e65872778b81aff1347cd2878154glennrp 7458991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 74593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 746026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 74613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7462a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 746326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 746426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 7465a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7467a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 7468a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 7469a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 7470a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 7471a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 7472a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 74730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7474a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 7475a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 74760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7477a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 7478a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 74790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7480a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 7481a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 74820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7483a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 7484a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 74850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7486a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 7487a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 74880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7489a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 7490a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 74910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 74920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 74943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 74953b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74963b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 74973b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 74983b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 75003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 75010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 750326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 75043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 75063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 75073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 75083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 75093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 75100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 75123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* TO DO: make this a function cause it's used twice, except 75150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 75160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 75188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 75198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 75200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 75220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 75230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 75240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 75250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 75270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 75290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) number_colors, (int) image_colors); 75300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 75320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 75330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 75340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 75350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 75360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 75370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if MAGICKCORE_QUANTUM_DEPTH == 8 75390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 75410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %5ld (%5d,%5d,%5d)", 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 75462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 75478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 75488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 75498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 75505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 75518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (matte) 75528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 75530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 75540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 75550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 75560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 75578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 75608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 75610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* PNG8 can't have semitransparent colors so we threshold them 75638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * to 0 or 255 75648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp */ 75658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (; i < (ssize_t) number_semitransparent; i++) 75668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=image->colormap[i].opacity > 75678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp OpaqueOpacity/2 ? 0 : 255; 75680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75692cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 75708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 75710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 75730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 75740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 75768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 75778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 75780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 75804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 75814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 75824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Identify which colormap entry is the background color. 75834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 75844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 75854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 75864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 75870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 75894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 75910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png24) 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 75955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png32) 75993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 76070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 76110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 76135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 76168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 76178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* write_ping_colortype not specified */ 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76243c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 76250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7626d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 76278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 76280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7629d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7635d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76415aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 76425aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 76435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 76445aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 76455f1c1fff2a55c4d8756556e78c1f307d352ed1b8cristy if (image_info->type == UndefinedType || 76468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_info->type == OptimizeType) 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76485aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 76498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 76505aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 76515aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 76525aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 76535aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 76545aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 76550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76565aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 76575aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 76585aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 76595aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 76605aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 76618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 76625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 76635aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 76645aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 76655aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 76665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 76675aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 76685aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 76698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 76705aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 76715aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 76725aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 76735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 76745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 76755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 76760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 76775aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 76783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 768126c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76828640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 768326c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 76845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 76850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 76860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 76870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 76880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 76890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 76900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 76913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7692d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 7693d6bf1617e99df0272b231855a933a74e99b6578fglennrp 76945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte == MagickFalse && image->colors < 256) 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsMonochrome(image)) 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77048640fb5e9b1094f35f8beab436f81661b8a99448glennrp 77055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 77063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 770735ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 77085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 77090f111984738842d27d04aed2a3f823d82a943506glennrp 77100f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 77110f111984738842d27d04aed2a3f823d82a943506glennrp { 77120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 77130f111984738842d27d04aed2a3f823d82a943506glennrp (void) ThrowMagickException(&image->exception, 77140f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 77150f111984738842d27d04aed2a3f823d82a943506glennrp "image has 0 colors", "`%s'",""); 77160f111984738842d27d04aed2a3f823d82a943506glennrp } 77170f111984738842d27d04aed2a3f823d82a943506glennrp 771835ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 77195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 7720d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7722d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 7723d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7724d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7725d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 77260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7727d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7728d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 7729d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 77300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7731d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 7732d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 77355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 77362b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7740e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 77410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7743e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 77440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7746e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 77470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 77493c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 77508640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 77518640fb5e9b1094f35f8beab436f81661b8a99448glennrp 77528640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7753e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 77543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (matte) 77573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 77594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 77603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 77622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_color != MagickFalse) 77644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 77652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 77674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 77694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 77704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 77714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 77724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 77734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 77744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 77754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type&=0x03; 77764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 77770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 77794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 77804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 77814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask; 77823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 77840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 77864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 77870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 77894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 77900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 77924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 77930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 77954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 77960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 77984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 77990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 78014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 78020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 78044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 78050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 78074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(PixelIntensityToQuantum( 78084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 78090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 78110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 78134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 78164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 78184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp Determine if there is one and only one transparent color 78194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp and if so if it is fully transparent. 78204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 78214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Is there a single fully transparent color?"); 78248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 78254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent > 1 || number_semitransparent > 0) 78264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS = MagickFalse; 78284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " ... No."); 78314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 78334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " ... Yes: (%d,%d,%d), (gray: %d)", 78374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 78384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 78394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue, 78404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.gray); 78414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78432b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 78454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 78470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 78494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 78514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 78524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 78534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 78544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 78584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 78603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 78625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 78635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 78645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 78653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78688640fb5e9b1094f35f8beab436f81661b8a99448glennrp 78693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 78700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78712e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 78723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 78730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 787439992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 78753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 78763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageIsGray(image) && (!image_matte || image_depth >= 8)) 78773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 787835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 78790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 78819c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 78820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 78843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 78864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 78873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 78884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 78934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 78954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 78993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 79000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_colors == 0 || image_colors-1 > MaxColormapSize) 790235ef824baa82511126ff0072ae30eee0da9c05a3cristy image_colors=one << image_depth; 79030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 79055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 79060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 79105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 79113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 79133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 79150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 791635ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 7917bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 79185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 79193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 79230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 79243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 79253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 79283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 79293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 79303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 79313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 79323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7933bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 79343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 79373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 79393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 79413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 79420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 79443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 79450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 79473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 79483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 79519c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 79520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 79549c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 79550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 79579c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 79583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 79623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 79673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 796817a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 796917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 79703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 79713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 79733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 79743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 79755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 79760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_write_global_plte && !matte) 79783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79799c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 79800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 79829c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79839c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 79843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7988bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 79893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 79913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 79923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 79933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79953b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 79963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 799798156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 799898156a3a465a004545e39434c63052b955a74d1cglennrp (int) number_colors); 79990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 800039992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 80013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 8004d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 80053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8006befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 8007befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 8008befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 80095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 8010befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 80110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8012befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy while ((one << ping_bit_depth) < number_colors) 80135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 80143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 80170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (matte) 80190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 8021d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 8022d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 80230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 80243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8025d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 8026d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 80273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 80290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 80300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8031d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 80320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8033c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8034c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8035c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8036c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 8037c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8038d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 8039d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8040d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 8041d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8042d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_trans_alpha[i]= (png_byte) (255- 8043d6bf1617e99df0272b231855a933a74e99b6578fglennrp ScaleQuantumToChar(image->colormap[i].opacity)); 8044d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 80450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 80513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8052c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 80533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 80543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 80550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 80573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 80594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 80604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 80614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 80624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 80634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 80644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 80654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 80664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 80675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 80685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 80695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 80705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 80714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 80724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 80734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 80744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 80754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 80764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 80774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 80784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 80794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 80803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80834383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 80844383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 80852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 80863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 80873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 80883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 80895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 80903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 80913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 80933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 80943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 809535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 809635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 809735ef824baa82511126ff0072ae30eee0da9c05a3cristy 809822ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 80993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 810126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 81023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8103a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.gray=(png_uint_16) 81043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (QuantumScale*(maxval*(PixelIntensity(&image->background_color)))); 81053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Setting up bKGD chunk (2)"); 81093b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 8110991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 811126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 81123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) (QuantumScale*(maxval* 81145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray)); 81153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 811617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 811726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 811826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 811917a1485544c62993fc7a94e343c87fed5f3e6407glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 812017a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 812117a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 812217a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 812317a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 812417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 812517a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 812617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8127a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 8128a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 812917a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 813017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 813117a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 813217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 81333b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 81340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 81370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8138a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 813913d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 8140a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 81410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 81423b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 81433b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 81440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 81470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 81480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 81490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 81500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8151a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 815217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8153d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 81543c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 81553b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 81563b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81573b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 81583c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 81593c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 816017a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 816126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 816217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 81633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 81663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 81673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 81683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 81693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 81730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 81760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 81790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 81830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_mem_level(ping, 9); 81850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 81873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 81880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quality > 9) 81903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 81923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 81933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8194bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 81950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression level: %d",level); 81990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_level(ping,level); 82013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression strategy: Z_HUFFMAN_ONLY"); 82080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_strategy(ping, Z_HUFFMAN_ONLY); 82103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up filtering"); 82153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82162b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 82173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* This became available in libpng-1.0.9. Output must be a MNG. */ 82183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && ((quality % 10) == 7)) 82193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: PNG_INTRAPIXEL_DIFFERENCING"); 82230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 82253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: 0"); 82313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 82322b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 82333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 82353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter; 82363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((quality % 10) > 5) 82388640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 82390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82408640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 82418640fb5e9b1094f35f8beab436f81661b8a99448glennrp if ((quality % 10) != 5) 82423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter=(int) quality % 10; 82430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82448640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 82458640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 82465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 82473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (quality < 50)) 82488640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_NO_FILTERS; 82490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82508640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 82518640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 82520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (base_filter == PNG_ALL_FILTERS) 82563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: ADAPTIVE"); 82583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: NONE"); 82613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 82633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,base_filter); 82643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8266c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse) 8267c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8268c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 8269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 82703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8271c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 82720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8273c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 8274c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8275c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 8276c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 8277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 827826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 8279c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 8280c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 8281c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8282c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_set_iCCP(ping,ping_info,(const png_charp) name,0, 8283c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 8284c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8285c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 828626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 82870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8288c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 82893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8290c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 8291c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8292c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_write_raw_profile(image_info,ping,ping_info, 8293c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 8294c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 8295c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8296c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8297c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8298c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 8299c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8300c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8301c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 83020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8303c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 8304c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 83053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 83083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 83093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 83103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 83113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 831226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 831326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 831426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 831526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 831626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 831726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 831826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 831926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 83200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 832126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 832226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 832326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp image->rendering_intent))); 83240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 832526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_gAMA == MagickFalse) 832626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_gAMA(ping,ping_info,0.45455); 832726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 83283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 832926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 83305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 83313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 83323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83332cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 83342cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 833526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 833626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 83373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 83383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 83403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 83413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 83423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 83433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 83463b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 83473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 83483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 834926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 83502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 835126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 83523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 835326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 835426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 835526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 835626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 835726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 835826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 835926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 836026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 836126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 836226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 836326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 836426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 836526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 836626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 836726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 836826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 836926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 837026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 837126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 837226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 837326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 837426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 837526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 837626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 837726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 837826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 83793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8380dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 83815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 83823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 83843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 83853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Bail out if cannot meet defined PNG:bit-depth or PNG:color-type */ 83873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8388d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 83893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 83913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 83923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 83942b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 83965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 83973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 84003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 84015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 84023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 84050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 84065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 84073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 84085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 8409991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 84100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 84113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 84150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 84160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 84180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 84190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 84203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 84213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth=%u, Computed depth=%u", 84243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 84255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 84263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84270e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 84283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 84293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type=%u, Computed color type=%u", 84323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 84335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 84343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84360e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 84373bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 84383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Cannot write image with defined PNG:bit-depth or PNG:color-type."); 84393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84418640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (image_matte && !image->matte) 84423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 84443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 84453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageOpacity(image,0); 84460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8447b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 8448b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8449b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 84503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8452991d11dd9c33e65872778b81aff1347cd2878154glennrp if (image->matte == MagickTrue) 8453e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 8454991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 8455991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type != 3 || ping_num_trans > 0) 8456c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8457991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 8458c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8459c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 8461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8462e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 8463e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 84643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 84673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 84695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 84705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 84715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 84725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 847339992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 847439992b4dd9b12ef752d55b8e402c069698851f72glennrp { 847539992b4dd9b12ef752d55b8e402c069698851f72glennrp png_set_PLTE(ping,ping_info,palette,(int) number_colors); 84760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84773b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 847839992b4dd9b12ef752d55b8e402c069698851f72glennrp { 84798640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 84800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8481d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 84820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8483d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 8484d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 84850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 84860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 84870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 8488d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 84890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 84900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 84910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8492d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 84930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 84940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 84950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 84960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 84970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 849839992b4dd9b12ef752d55b8e402c069698851f72glennrp } 849939992b4dd9b12ef752d55b8e402c069698851f72glennrp } 850039992b4dd9b12ef752d55b8e402c069698851f72glennrp 850126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 850226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 850326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 850426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 850526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8506991d11dd9c33e65872778b81aff1347cd2878154glennrp 850726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 8508dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 850926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 851026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 851126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 851226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 851326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 851426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 851526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8516dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8517dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8518dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 85194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 8520dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 852126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 852226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 852326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 852426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 8525dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 852626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 852726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 852826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 852926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 853026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8531dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8532dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 8533dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 85343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 8535991d11dd9c33e65872778b81aff1347cd2878154glennrp 853639992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 8537991d11dd9c33e65872778b81aff1347cd2878154glennrp { 85383b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 85390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 85420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8543991d11dd9c33e65872778b81aff1347cd2878154glennrp 85440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 85450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 85460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 85470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 85480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 8549991d11dd9c33e65872778b81aff1347cd2878154glennrp 85500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 85510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 85530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 85540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 85550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 85560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85573b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 85580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8560c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 85610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 85620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 85630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 85640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 85650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 85660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8567991d11dd9c33e65872778b81aff1347cd2878154glennrp 85683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 85694383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 85703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 8571991d11dd9c33e65872778b81aff1347cd2878154glennrp 85723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 85734383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 85743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 857526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 85763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 85784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 857926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 858026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 858126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 858226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 858326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 858426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 858503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 858626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 858726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 858826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 858926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 859026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 859126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 85923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 85959c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 85963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 85979c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 85983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 85993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 86023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 86043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 8606b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 8607b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 86087202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 86093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8610b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 86113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 8612b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8614b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 8615b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 8616b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8618b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 86193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 8620b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8622b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 8623b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86253b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 86263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 86273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8628b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8629b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 86300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8631b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8632e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 86333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 86353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 86360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 86383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 86390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 86423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 86443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 86473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 86493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 86503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 86513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 86533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 86543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 86553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 86563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 86573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 8658f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 86593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8660b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 8661b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 8662b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 8663b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 86643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 86653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8666ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 8667ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 8668ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 86693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 86703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 86713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 86728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 86733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 86748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 86758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 86763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 86778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !image_matte && ImageIsMonochrome(image)) 86783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 86803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 86813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 86820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 86843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 86853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 86883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8689bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 86903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8691a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 86923241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (logging != MagickFalse) 86933b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 8695a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 86963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 86970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 86993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 87023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 87053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 87063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 87073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 87083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 8710bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) (*(png_pixels+i) 87123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 87133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RedQuantum,png_pixels,&image->exception); 87203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 8723bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) ((*(png_pixels+i) > 127) ? 87253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 87260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8728b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8729b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 87300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 87323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 87343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 87363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 87373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 87433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 87453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 87463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_matte || 87475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 874839992b4dd9b12ef752d55b8e402c069698851f72glennrp (mng_info->IsPalette) && ImageIsGray(image)) 87493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 87518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 87520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 87543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8756bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 87573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 87592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 87613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87622cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 87643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 87663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 87682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RedQuantum,png_pixels,&image->exception); 87722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 87748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 87763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 8779b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 87803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8781b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 87832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayAlphaQuantum,png_pixels,&image->exception); 8786b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 87872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87883b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8789b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 87912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 87933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 87958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 87968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 87978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 87988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 87998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 88008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 88078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 88080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 88103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 88128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 88138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 88148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 8816b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 88178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1, 88188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 88192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 88218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 88222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 88268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RedQuantum,png_pixels,&image->exception); 88282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 88308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 88328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 88358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayAlphaQuantum,png_pixels, 88388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 88392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 88418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 88438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 88468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RGBAQuantum,png_pixels,&image->exception); 88482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 88508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RGBQuantum,png_pixels,&image->exception); 88522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8854b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 88562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp png_write_row(ping,png_pixels); 8858b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 88598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 88628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 88638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 88648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 88658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 88678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 88688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 88708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 88722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 88748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 88758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 88788640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 88798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 88808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 88822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 88842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 88868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 88872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8890d6bf1617e99df0272b231855a933a74e99b6578fglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 88912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 88938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 88958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 88972cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8899d6bf1617e99df0272b231855a933a74e99b6578fglennrp quantum_info,GrayAlphaQuantum,png_pixels, 8900d6bf1617e99df0272b231855a933a74e99b6578fglennrp &image->exception); 89018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 89048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,IndexQuantum,png_pixels,&image->exception); 89062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y <= 2) 89088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (4)"); 89112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " png_pixels[0]=%d,png_pixels[1]=%d", 89148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int)png_pixels[0],(int)png_pixels[1]); 89158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp png_write_row(ping,png_pixels); 89178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 89218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 89238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 89248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 89258640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 89263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8930b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 8931b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 89323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8936b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 89370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8939e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 89400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8942e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 89430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 89453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth: %d",mng_info->write_png_depth); 89483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 89520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 89543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type: %d",mng_info->write_png_colortype-1); 89573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 89610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 89643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Generate text chunks. 89673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 896826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt == MagickFalse && ping_exclude_zTXt == MagickFalse) 89693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 897026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 897126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 897226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 897326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 897426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 897526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 89762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 897726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp value=GetImageProperty(image,property); 897826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (value != (const char *) NULL) 897926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 898026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 898126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].key=(char *) property; 898226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text=(char *) value; 898326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text_length=strlen(value); 89842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 898526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt != MagickFalse) 89864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 89872cc891a179d622dde7bbb8854138851e828bc6eaglennrp 898826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else if (ping_exclude_zTXt != MagickFalse) 89894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 89902cc891a179d622dde7bbb8854138851e828bc6eaglennrp 899126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else 89923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=image_info->compression == NoCompression || 89944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image_info->compression == UndefinedCompression && 89954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 89964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp PNG_TEXT_COMPRESSION_zTXt ; 89973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 899926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 900026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 900126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 900226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up text chunk"); 90032cc891a179d622dde7bbb8854138851e828bc6eaglennrp 900426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 900526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " keyword: %s",text[0].key); 900626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 900826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_text(ping,ping_info,text,1); 900926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_free(ping,text); 901026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 901126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 901226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 90164383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 90173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 90210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 90230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 90253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 90275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 90285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 90293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 90313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 90323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 90353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 90373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 903803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 90403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 90413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 90423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 90443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 90453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 90463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 90473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 90483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 90495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 90503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 90513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 90525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 90533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 90543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 90553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 90563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 90573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 90603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 90613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 90633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 90643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 90653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 90663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 90670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 90703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9077f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 90783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9080b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 9081b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9082b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9083b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9084b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 9085b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9086b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 9087b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 9088b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 9089b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9090b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) SetImageProperty(IMimage,"png:bit-depth-written",s); 9091b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 90923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 90950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 90973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 90983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 90993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 91013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 91023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 91063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 91103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 91123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 91153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 91193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 91213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 91233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 91253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 91293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 91313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 91323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pseudo-formats which are subsets of PNG: 91333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG8: An 8-bit indexed PNG datastream is written. If transparency 91353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 91363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 91373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent). The pixels contain 8-bit indices even if 91383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% they could be represented with 1, 2, or 4 bits. Note: grayscale 91393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 91403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG grayscale type might be slightly more efficient. 91413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 91433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 91443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% one of the colors as transparent. 91453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 91473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 91490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 91503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 91523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 91533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 9154bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 9155bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 9156bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 91573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 91593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 91613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 91623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 91643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 91653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 91673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 91683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 91693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 91703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 91723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 91733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% If the image cannot be written without loss in the requested PNG8, PNG24, 91753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or PNG32 format or with the requested bit-depth and color-type without loss, 91763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% a PNG file will not be written, and the encoder will return MagickFalse. 91773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 91783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 91793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 91803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency prior to attempting to write the image in a format that 91813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is subject to depth, color, or transparency limitations. 91823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% TODO: Enforce the previous paragraph. 91843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 91863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 91873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 91883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 91903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 91913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 91923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 91933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 91953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 91973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 9198bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 9199bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 92003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 92023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 92033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 9204bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 92053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9206bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 92073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92083241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 92090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 9210d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 92110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 92120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 92130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 92143241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% transparent color first, if PNG_BUILD_PALETTE is defined. 92150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 9216d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 9217d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 9218d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% requested via the "-define PNG:bit-depth=N" option. 9219d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 9220d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 9221d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 9222d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 92230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 92243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 92253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 92263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 92273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image *image) 92283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 92293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 92303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 92313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 92333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 92343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 92363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 92373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 92393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 92403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 924126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp int 924226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp i; 924326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 92445c7cf4e469a4dad7e277783749155932252c52dfglennrp int 92455c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 92465c7cf4e469a4dad7e277783749155932252c52dfglennrp 924703812ae402fb53d548f0e1d7d14720768f803c2dglennrp MagickBooleanType 924803812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding, 92493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 92503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 92533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 92553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 92563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 92573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 92583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 92593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WritePNGImage()"); 92603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 92623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 926473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 92650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 92673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 92680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 92713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 92733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 9274a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 92753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 92763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 92783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 92803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 92813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 92823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 92843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92859c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 92869c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92879c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 92883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 92913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92929c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 92939c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92949c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 92950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92969c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 92979c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 92980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92999c1eb0729653219b9da9037e044501a6dce79d10glennrp else 93009c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93029c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93079c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 93089c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 93099c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 93100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93119c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 93129c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 93130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93149c1eb0729653219b9da9037e044501a6dce79d10glennrp else 93159c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 93160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93179c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 93183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 93218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 93259c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 93260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 93289c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 93290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 93319c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 93320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 93349c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 93350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 93379c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 93380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9339bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9340bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9341bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9342bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 9343bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9344bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 93453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93469c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9347bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 93483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 93510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 93533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 93553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 93569c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 93570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 93599c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 93600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 93629c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 93630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 93659c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 93660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 93689c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 93690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9370bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9371bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9372bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9373bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 9374bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9375bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 93763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93779c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9378d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 93820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 93830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The default is to not exclude any chunks except for any 93840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 93850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 93860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Chunks can be listed for exclusion via a "PNG:exclude-chunk" 93870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 93880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 93890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 93900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 93910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 93920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 93930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 93940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * A "PNG:include-chunk" define takes priority over both the 93950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * mng_info and the "PNG:exclude-chunk" define. Like the 93960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 93970e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * well as a comma-separated list. 93980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 93990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 94000e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 94010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 94020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 94040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 94050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 94060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 94080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 94090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 94110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * artifact to "none,gama". 94120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 94130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 941426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 941526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 941626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 941726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 941826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 941926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 942026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 942126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 942226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 942326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 942426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 9425a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 942626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 942726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 942826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 942926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 943003812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 943103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 94325c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 94335c7cf4e469a4dad7e277783749155932252c52dfglennrp { 94345c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9435acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 94365c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 9437acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9438acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9439acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 9440acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 94415c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9442acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 94435c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 944426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9445acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9446acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 9447acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9448acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 944903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 945003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 945126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 945203812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 945303812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 945426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 945503812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 945626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 945703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 94582cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 94592cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 94602cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94612cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 94622cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 94632cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94642cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 94652cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 946603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 946703812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 946803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 946903812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 947003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 947103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 947203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 947303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 947403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 947503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 947603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 947703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 947803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 947903812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 948003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 948103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 948203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 948303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 9484a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 948503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 948603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 948703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 948803812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 948903812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 94902cc891a179d622dde7bbb8854138851e828bc6eaglennrp 949103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 949203812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 949303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 949403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 949503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 949603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 949703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 949803812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 949903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 950003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 950103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 950203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9503a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 950403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 950503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 950603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 950703812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 95082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 950903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 951003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 95112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 951203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 951303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 95142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 951503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 951603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 95172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 951803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 951903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 95202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 952103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 952203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 95232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 952403812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 952503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 952603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 952703812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 95282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 952903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 953003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 95312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 953203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 953303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 95342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 953503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 953603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 95372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9538a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 9539a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 95402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 954103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 954203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 95432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9544a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 9545a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 9546a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 954703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 954803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 95492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 955003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 955103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 95522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 955303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 955403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 95552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 955603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 9557ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 955826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 955926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 95605c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 95615c7cf4e469a4dad7e277783749155932252c52dfglennrp { 95625c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9563acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 95645c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 9565acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9566acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9567acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 9568acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 95695c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9570acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 95715c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 957226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9573acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9574acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 9575acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9576acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 957703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 957803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 957903812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 958003812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 958126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 958203812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 958326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 958403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 95852cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 95862cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 95872cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95882cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 95892cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 95902cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95912cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 95922cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 959303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 959403812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 959503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 959603812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 959703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 959803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 959903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 960003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 960103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 960203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 960303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 960403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 960503812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 960603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 960703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 960803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 960903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9610a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 961103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 961203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 961303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 961403812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 961503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 96162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 961703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 961803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 961903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 962003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 962103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 962203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 962303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 962403812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 962503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 962603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 962703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 962803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 9629a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 963003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 963103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 963203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 963303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 96342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 963503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 963603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 96372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 963803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 963903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 96402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 964103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 964203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 96432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 964403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 964503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 96462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 964703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 964803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 96492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 965003812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 965103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 965203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 965303812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 96542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 965503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 965603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 96572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 965803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 965903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 96602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 966103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 966203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 96632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9664a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 9665a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 96662cc891a179d622dde7bbb8854138851e828bc6eaglennrp 966703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 966803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 96692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9670a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 9671a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 9672a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 967303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 967403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 96752cc891a179d622dde7bbb8854138851e828bc6eaglennrp 967603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 967703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 96782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 967903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 968003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 96812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 968203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 9683ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 968426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 968526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 968603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 968726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 968826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 968926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Chunks to be excluded from the output PNG:"); 969026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 969126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 969226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 969326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 969426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 969526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 969626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 969726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 969826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 969926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 970026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 970126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 970226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 970326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 970426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 970526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 970626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 970726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 970826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 970926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 971026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 971126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 971226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 971326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 971426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 971526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 971626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 971726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 971826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 971926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 972026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 972126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 9722a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 9723a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9724a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 972526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 972626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 972726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 972826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 972926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 973026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 973126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 973226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 973326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 973426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 973526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9736b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 97373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9738b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp status=WriteOnePNGImage(mng_info,image_info,image); 97393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 97410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 97440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 97463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 97473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 97493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 97513ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 97523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 97533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 97543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 97553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 97563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 97583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 97593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 976103812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 97623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 97633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 97653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 97663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 97683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 97693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 97703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 97733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 97743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 97753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 97763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 97773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9778bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 97793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 97803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 97823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOneJNGImage()"); 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 97853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 97863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 97873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type==TrueColorMatteType; 97913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=10; 97923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=0; 97933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality; 97943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 97953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* if any pixels are transparent */ 97993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=MagickTrue; 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression==JPEGCompression) 98013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=8; 98023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 98053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 98070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 98093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info for opacity."); 98120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 98140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 98210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 98230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 98253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 98283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SeparateImageChannel(jpeg_image,OpacityChannel); 98293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=NegateImage(jpeg_image,MagickFalse); 98303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 98310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_quality >= 1000) 98333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality/1000; 98340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 98363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality; 98370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 98393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(jpeg_image,GrayscaleType); 98403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 98413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent, 98423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 98433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 98463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 98483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 98493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy TrueColorType && ImageIsGray(image)) 98503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 98513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 98533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 98553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 98573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 98583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale PNG blob */ 98603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 98613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 98623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 98653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 98663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 98683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 98693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 98703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 98723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 98753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(jpeg_image,"png:bit-depth-written"); 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 98773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 98783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 98803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale JPEG blob */ 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 98923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 9893f2faecf9facdbbb14fcba373365f9f691a9658e0cristy &image->exception); 98943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 98950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9898e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 9899e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 99003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 99053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 99063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 99093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 99103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 991103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 99124e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 99134e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 99143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 99153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 99163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 99183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 99193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 99203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 99213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 99223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 99233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 99243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9927f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 99280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9930f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 99310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 99340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 99370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 99400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 99430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 99460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 99490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 99520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 99553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 99584383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 99683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9975bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 99793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 9982bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 998403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 99853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 99903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 99913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 99923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 99953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 99963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 99993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 100023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 100043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1000503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 100060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10008e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10009e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10010e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 100110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10013e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10014e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10015e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 100160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 100263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 100283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1002903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1003035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 100323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 100363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 100393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 100433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1004603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 100473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1004835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1004935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 100503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1005135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1005235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 100533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1005435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1005535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1005735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1005835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 100593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 100613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && !mng_info->equal_physs) 100653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 100683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 100703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1007103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 100723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 100733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1007435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 100753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 100760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1007735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 100783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 100790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 100863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1008735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 100883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 100890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1009035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 100913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 100920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1009835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1009935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 101013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 101083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 101133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1011403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 10115bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 10116bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 101173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 101183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 101223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1012503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 101273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10138bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 101393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10141bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 101423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 101433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 101453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10147e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 10148f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 101493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 101513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 101523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 10153bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 101543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 101570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 101593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 10161bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1016203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 101633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 101643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 101653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 101663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10172e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 10173e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 101763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 101813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10183e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 10184bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 101853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1018603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 101883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 101893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 101923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 101943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 101973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 102003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 102023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 102093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 102113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 102143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent,"%s", 102153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 102163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 102183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 102193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10222e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 10223e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 102243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 102263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 102270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality % 1000; 102293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 102303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 102350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,&image->exception); 102370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10241e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 10242e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 102433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10245e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 10249bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 102503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1025103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 102523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 102533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 102543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 102553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 102593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 102603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 102624383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 102633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 102653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 102663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1026703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 102683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 102703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 102740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 102763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 102773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 102883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 102893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 102903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 102913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 102923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 102933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 102943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 102953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 102963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 102973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 102993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 103013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 103033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 103053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 103063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 103073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 103083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1030903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 103103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 103113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 103133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 103143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 103163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 103173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 103203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 103223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 103233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 103263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteJNGImage()"); 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 103283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 103293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 103303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 103333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1033573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 103363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 103373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 103383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 103403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 103423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 103433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 103463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,image_info,image); 103483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 103493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 103513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 103523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 103533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 103543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 103553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 103563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 103573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103603ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 103613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 103623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 103633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 103643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 103663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 103673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 103693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 103703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1037103812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1037203812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1037303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 103743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 103753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 103763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 103783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure, 103793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 103803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 103823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 103843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 103853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 103863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 103873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 103883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 103893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 103903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 103913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10392bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 103933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 103943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 103963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 103973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 103993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 104003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 104013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10402bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 104033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10405bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 104063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 104073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 104083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10409d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 104113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 104173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 104193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 104203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 104213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 104233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteMNGImage()"); 104243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 104253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 104263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 104273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 104303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1043273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 104333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 104343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 104353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 104373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 104393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 104403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 104413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 104423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 104453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 104463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 104473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 104483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 104493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 104503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 104513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 104523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 104553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 104563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 104573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 104593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 104603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 104633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 104643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 104663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 104683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 104693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 104730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10475e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 104760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 104823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10484e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 104850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10487e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 104880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 104920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 104960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 104983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 104993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 105000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 105040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 105063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10507e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 105080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 105120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 105143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 105193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 105203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 105353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 105363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 105393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 105413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 105443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 105503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 105563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 105583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 105603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 105613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 105743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 105750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 105783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 105820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 105850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 105883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 105910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 105940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 105960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 105993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 106000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 106023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 106033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 106053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 106080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 106123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 106143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 106203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 106223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 106233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 106280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 106310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 106350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->x_resolution != next_image->next->x_resolution) || 106383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->y_resolution != next_image->next->y_resolution)) 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 106400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 106443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 106453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 106463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 106483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 106503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 106513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 106523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 106533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 106543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 106553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 106563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 106573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 106583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 106593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 106603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 106633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 106643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 106663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 106683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 106693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 106703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 106713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 106723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 106733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 106743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 106753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 106773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 106803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 106833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 106843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 106863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 106913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106920261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 10693d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 10694d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 10695d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp (void) ThrowMagickException(&image->exception, 10696d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp GetMagickModule(),CoderWarning, 10697d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 10698d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 10699d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 107033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 107054e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->ticks_per_second=(png_uint_32) (image->ticks_per_second/final_delay); 107063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 107080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 107103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 107110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 107140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 107173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 107183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 107243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1073503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 107364e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 107374e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 107480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 107570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 107690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 107780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 107843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 107873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 107893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 107933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 10796bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1079703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 107983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1081103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 108160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 108190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 108220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10826e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 10827e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 108280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10831e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 108320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10835e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1085103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 108520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10854e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10855e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10856e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 108570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10859e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10860e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10861e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 108620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1087703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1087835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 108823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 108923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1089303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1089535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1089635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1089835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1089935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1090135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1090235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1090435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1090535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 109063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && mng_info->equal_physs) 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1091803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 109190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1092235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 109233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 109240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1092535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 109263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 109270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 109343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1093535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 109370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1093835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 109400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1094635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1094735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 109573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 109593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 109603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 109613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 109623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 109653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1096603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 109673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 109703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 109713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 109753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 109763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1097903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 109823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 109863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 109883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10990bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 109913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 109923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 109953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1099903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 110000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11001bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 110023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red) & 0xff; 110043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green) & 0xff; 110053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue) & 0xff; 110063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 110093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 110103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 110113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 110153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 110193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 110253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 110283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 110293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 110313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 110403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 110443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11045bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 110463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 110473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 110493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 110503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1105103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 110520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11053bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 110543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 110563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 110573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 110583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 110613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 110623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 110633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 110643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 110673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 110683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 110713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11072bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 110733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 110743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 110753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 110803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 110843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 110873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1109203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 111113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1112103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 111253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1113303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 111353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 111363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 111373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 111383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 111393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 111403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 111413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 111423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 111433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 111443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 111454e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 111463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 111483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 111513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 111523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 111543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 111553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 111593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 111623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,write_info,image); 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 111643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 111673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 111712f2e514554975d510c88df54de98c6cdc1080f1cglennrp 11172b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 111732f2e514554975d510c88df54de98c6cdc1080f1cglennrp 111742f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 111752f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 111762f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 111772f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 111782f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 111792f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 111802f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 111812f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 111822f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 111832f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 111842f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 111852f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11186a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 111872f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 111882f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 111892f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 111902f2e514554975d510c88df54de98c6cdc1080f1cglennrp 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 111923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 111973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 111983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 111993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 112060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 112090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 112110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1122103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 112300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 112330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11236d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1123739992b4dd9b12ef752d55b8e402c069698851f72glennrp 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=image; 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 112430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 112453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1124739992b4dd9b12ef752d55b8e402c069698851f72glennrp 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 112493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 112513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11252d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 112533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11254