png.c revision a6a0663bea94c73cf424f0b49076e7c037d084d4
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 2443ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 2453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 2473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 2483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 2493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 2503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 2513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 2523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2533ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 2543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 2563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 2573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 2583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 2593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2613ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 2623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 264bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 2653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 2663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 2673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 2693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 2703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 2723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 2733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 2753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 2763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 2783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 2793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 2803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 2813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 2823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 2833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 2843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 2853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 2863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 2873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 2883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 2893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 2903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 2913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2933ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 2943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 2983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 2993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 3023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 3033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 3053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 3063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 3093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 3113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 3123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 3143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 3153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 3163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 3173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 3183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 3193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 3213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 3223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 3233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 3243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 3253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 3263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 3273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 3283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 3293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 3303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 3313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 3323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 3333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 3343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 3353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 3363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 3373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 3383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 3413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 342bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 3433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 3443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 3453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 3463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 3473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 3483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 3493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 3513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 3523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 3533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 3543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 3553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 3573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 3583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 3593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 3603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 3613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 3623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 3633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 3653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 3663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 3683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 3693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 3713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 3723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 3743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 3763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 3783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 3803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 3813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 3833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 3843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 3863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 3873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38835ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 3893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 3903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 3913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 3923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 3933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 3943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 3953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 3963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 3973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 398b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 399b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 400b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 4013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 4033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 4043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 4053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 4063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 4073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 4083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 4093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 4103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 4113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 4123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 4133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 4143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 4153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 4163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 4173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 4183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 4193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 4203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 4213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 423bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 4243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 4253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 4263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 4293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 4303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 4313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 4323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 4333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 4343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 4353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 4363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 4373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 4383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 4413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 4423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 4433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 4443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 4453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 4463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 4473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 4483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 4493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 4503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 4513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 4533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 4543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 45626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 45726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 45826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 45926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 46026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 46126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 46226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 46326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 46426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 46526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 46626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 467a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 46826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 46926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 47026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt; 47126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 4723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 4733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 4743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 4773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WritePNGImage(const ImageInfo *,Image *); 4800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4813ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteMNGImage(const ImageInfo *,Image *); 4830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteJNGImage(const ImageInfo *,Image *); 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4890c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 4900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4910c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 4920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 4938640fb5e9b1094f35f8beab436f81661b8a99448glennrp LosslessReduceDepthOK(Image *image) 4940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 4950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp MagickBooleanType 4960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce=MagickFalse; 4970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp /* Reduce bit depth if it can be reduced losslessly from 16 to 8. 4990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * Note that the method GetImageDepth doesn't check background 5000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * and doesn't handle PseudoClass specially. Also it uses 5010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * multiplication and division by 257 instead of shifting, so 5020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * might be slower. 5030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp */ 5040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (image->depth == 16) 5060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const PixelPacket 5090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 5100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 5120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (((((size_t) image->background_color.red >> 8) & 0xff) 5138640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.red & 0xff)) && 5140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.green >> 8) & 0xff) 5158640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.green & 0xff)) && 5160c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.blue >> 8) & 0xff) 5178640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.blue & 0xff))) ? MagickTrue : 5188640fb5e9b1094f35f8beab436f81661b8a99448glennrp MagickFalse; 5190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5200c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 5210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 5230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5240c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 5250c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5268640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(((((size_t) image->colormap[indx].red >> 5278640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8) & 0xff) 5288640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].red & 0xff)) && 5290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].green >> 8) & 0xff) 5308640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].green & 0xff)) && 5310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].blue >> 8) & 0xff) 5328640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].blue & 0xff)) && 5330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].opacity >> 8) & 0xff) 5348640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].opacity & 0xff))) ? 53513d07043243e0c8c151aad7db5240b75e76ca281cristy MagickTrue : MagickFalse; 5360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5380c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5410c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 5420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 5430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5440c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 5450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 5460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 5480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 5490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 5510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 5530c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5540c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (p == (const PixelPacket *) NULL) 5550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5560c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 5570c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5580c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5590c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5600c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 5610c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5628640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(( 5638640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->red >> 8) & 0xff) == 5648640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->red & 0xff)) && 5650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->green >> 8) & 0xff) == 5668640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->green & 0xff)) && 5670c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->blue >> 8) & 0xff) == 5688640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->blue & 0xff)) && 5698640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((!image->matte || 5708640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->opacity >> 8) & 0xff) == 5718640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->opacity & 0xff))))) ? MagickTrue : MagickFalse; 5720c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5730c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5760c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p++; 5770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5788640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 5790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 5840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5868640fb5e9b1094f35f8beab436f81661b8a99448glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 5870c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 588a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 589a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 590a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 591a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 592a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 5930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 5960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 5970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 5980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 599e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 600e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_from_Magick_RenderingIntent(const RenderingIntent intent) 6010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 602e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 603e610a071534e448c46460a5aa39ede33bf56b329glennrp { 604e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 605e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 6060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 607e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 608e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 6090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 610e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 611e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 6120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 613e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 614e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 6150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 616e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 617e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 618e610a071534e448c46460a5aa39ede33bf56b329glennrp } 619e610a071534e448c46460a5aa39ede33bf56b329glennrp} 620e610a071534e448c46460a5aa39ede33bf56b329glennrp 621e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 622e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_to_Magick_RenderingIntent(const int png_intent) 6230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 624e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (png_intent) 625e610a071534e448c46460a5aa39ede33bf56b329glennrp { 626e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 627e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 6280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 629e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 630e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 6310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 632e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 633e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 6340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 635e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 636e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 6370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 638e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 639e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 640e610a071534e448c46460a5aa39ede33bf56b329glennrp } 641e610a071534e448c46460a5aa39ede33bf56b329glennrp} 642e610a071534e448c46460a5aa39ede33bf56b329glennrp 643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 6443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 651bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 6523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6580c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 659dbb105fc25903e800273f7e980c0553060858a68glennrp 6603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 665dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s G r a y % 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 670dbb105fc25903e800273f7e980c0553060858a68glennrp% % 671dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsGrayImage except does not change DirectClass to PseudoClass % 672dbb105fc25903e800273f7e980c0553060858a68glennrp% % 673dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 675dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsGray(Image *image) 6763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 6783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 680bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 6813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 682dbb105fc25903e800273f7e980c0553060858a68glennrp x, 683dbb105fc25903e800273f7e980c0553060858a68glennrp y; 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 6873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 688dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 689dbb105fc25903e800273f7e980c0553060858a68glennrp 690dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 6913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 692dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 693dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(image->colormap+i) == MagickFalse) 694dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 695dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 697bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 6983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 701dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 702dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 703dbb105fc25903e800273f7e980c0553060858a68glennrp { 704dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(p) == MagickFalse) 705dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 706dbb105fc25903e800273f7e980c0553060858a68glennrp p++; 707dbb105fc25903e800273f7e980c0553060858a68glennrp } 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 709dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 710dbb105fc25903e800273f7e980c0553060858a68glennrp} 711dbb105fc25903e800273f7e980c0553060858a68glennrp 712dbb105fc25903e800273f7e980c0553060858a68glennrp/* 713dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 714dbb105fc25903e800273f7e980c0553060858a68glennrp% % 715dbb105fc25903e800273f7e980c0553060858a68glennrp% % 716dbb105fc25903e800273f7e980c0553060858a68glennrp% % 717dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s M o n o c h r o m e % 718dbb105fc25903e800273f7e980c0553060858a68glennrp% % 719dbb105fc25903e800273f7e980c0553060858a68glennrp% % 720dbb105fc25903e800273f7e980c0553060858a68glennrp% % 721dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 722dbb105fc25903e800273f7e980c0553060858a68glennrp% % 723dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsMonochromeImage except does not change DirectClass to PseudoClass % 724dbb105fc25903e800273f7e980c0553060858a68glennrp% and is more accurate. % 725dbb105fc25903e800273f7e980c0553060858a68glennrp% % 726dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 727dbb105fc25903e800273f7e980c0553060858a68glennrp*/ 728dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsMonochrome(Image *image) 729dbb105fc25903e800273f7e980c0553060858a68glennrp{ 730dbb105fc25903e800273f7e980c0553060858a68glennrp register const PixelPacket 731dbb105fc25903e800273f7e980c0553060858a68glennrp *p; 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 733dbb105fc25903e800273f7e980c0553060858a68glennrp register ssize_t 734dbb105fc25903e800273f7e980c0553060858a68glennrp i, 735dbb105fc25903e800273f7e980c0553060858a68glennrp x, 736dbb105fc25903e800273f7e980c0553060858a68glennrp y; 737a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 738dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image != (Image *) NULL); 739dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image->signature == MagickSignature); 740a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (image->debug != MagickFalse) 741dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 742dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 743a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 744dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 745dbb105fc25903e800273f7e980c0553060858a68glennrp { 746dbb105fc25903e800273f7e980c0553060858a68glennrp if ((IsGray(image->colormap+i) == MagickFalse) || 747dbb105fc25903e800273f7e980c0553060858a68glennrp ((image->colormap[i].red != 0) && 748dbb105fc25903e800273f7e980c0553060858a68glennrp (image->colormap[i].red != (Quantum) QuantumRange))) 749dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 750dbb105fc25903e800273f7e980c0553060858a68glennrp } 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 753dbb105fc25903e800273f7e980c0553060858a68glennrp for (y=0; y < (ssize_t) image->rows; y++) 754dbb105fc25903e800273f7e980c0553060858a68glennrp { 755dbb105fc25903e800273f7e980c0553060858a68glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 756dbb105fc25903e800273f7e980c0553060858a68glennrp if (p == (const PixelPacket *) NULL) 757dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 758dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->red != 0) && (p->red != (Quantum) QuantumRange)) 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsGray(p) == MagickFalse) 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->opacity != OpaqueOpacity) && 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p->opacity != (Quantum) TransparentOpacity)) 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 775d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 8213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 8303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 893d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 894bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 8983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 9093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 9113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 9123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 916a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 9173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 9183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 9203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 9213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 924a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 9253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 9273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 9353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93703812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 93803812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 9393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 942e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 943e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 945d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 9463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 9483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 951d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 9523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 9583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 9643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 9653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 9663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 9673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 9693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 9713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 9733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 9753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 9773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 9793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 9813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 9823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 9843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 9863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 9883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 9893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 9903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 9923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 9943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 9953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 9963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 9983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 9993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 10013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 10023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 10043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 10063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 10073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 10083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 10093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 10103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 10113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 10123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 10133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 10143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 10153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 10163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 10173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 10183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 10193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 10203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 10223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 10233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 10243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 10253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 10273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 10293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 10313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 10323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 10333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the orginal PNG from files that have been converted to Xcode-PNG, 10343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 10353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 10363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 10393ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 10403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 10453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 10533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 10543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 10593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 10603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 10623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 10633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(msg,MaxTextExtent, 1065e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1066e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1094bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 11100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 11130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1170bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 11710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1185bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1197bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 12190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 12240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1237bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1239bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 124421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 124621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1248bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 12530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 12570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 12710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 12740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 12770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 12800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1292bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1293bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1294bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1295bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1313bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13158182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 13168182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 13170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13278182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13298182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGErrorHandler(png_struct *ping,png_const_charp message) 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 13420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderError, 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1346e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1348faa852bad40107edae19405e76a299057668d795glennrp#else 1349faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1350faa852bad40107edae19405e76a299057668d795glennrp#endif 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGWarningHandler(png_struct *ping,png_const_charp message) 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 13600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1364cc23b9a188db6b1f240825f6d4c52310f5f69765cristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 13650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderWarning, 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_voidp png_IM_malloc(png_structp png_ptr,png_uint_32 size) 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER < 10011) 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_voidp 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret; 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret=((png_voidp) AcquireMagickMemory((size_t) size)); 13790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ret == NULL) 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error("Insufficient memory."); 13820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ret); 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_free_ptr png_IM_free(png_structp png_ptr,png_voidp ptr) 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_read_raw_profile(Image *image, const ImageInfo *image_info, 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp text,int ii) 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1409bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14250c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1442f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 14430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","invalid profile length"); 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(length); 14560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "unable to copy profile"); 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 14680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1469bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","ran out of data"); 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 14850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,&text[ii].key[17],profile); 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 14970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1531bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 15330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1534bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1588faa852bad40107edae19405e76a299057668d795glennrp pass, 1589faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1590faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1591faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1592faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1593faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 1594faa852bad40107edae19405e76a299057668d795glennrp ping_num_trans; 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1596a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp LongPixelPacket 1597a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color; 1598a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 16004383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1603faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1604faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1605faa852bad40107edae19405e76a299057668d795glennrp 1606faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1607faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1608faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1609faa852bad40107edae19405e76a299057668d795glennrp 16103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1620faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1621faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1622faa852bad40107edae19405e76a299057668d795glennrp ping_width, 1623faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes; 1624faa852bad40107edae19405e76a299057668d795glennrp 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 16303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1631bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 16353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 16363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register IndexPacket 16385c6f789db7a30bad01ace12b09ad9cd471339e94cristy *indexes; 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1640bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 16413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 16423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 16433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 164839992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 16503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 16533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 16593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 16603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOnePNGImage()"); 16653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1667f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 167025c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 16713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 167661b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 167761b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 167861b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 167961b4c957269727a0a2526edc2331881da8346100glennrp { 168061b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 168161b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 168261b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 168361b4c957269727a0a2526edc2331881da8346100glennrp } 168461b4c957269727a0a2526edc2331881da8346100glennrp# endif 168561b4c957269727a0a2526edc2331881da8346100glennrp#endif 168661b4c957269727a0a2526edc2331881da8346100glennrp 168761b4c957269727a0a2526edc2331881da8346100glennrp 1688ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info = (QuantumInfo *) NULL; 16893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1691a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 1692a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 1693a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " image->matte=%d",(int) image->matte); 1694a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 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 1855e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 1856e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 1857e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1858e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 1859e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 1860e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1861e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 1862e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 18710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 18733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(profile_length); 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetStringInfoDatum(profile,(const unsigned char *) info); 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,"icc",profile); 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 18883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intent; 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 1893e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1894e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent); 18950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1898e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1899e610a071534e448c46460a5aa39ede33bf56b329glennrp intent); 19000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1903e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy double 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_gamma; 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1911faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 1912faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 1913faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 19140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1923faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 1924faa852bad40107edae19405e76a299057668d795glennrp { 1925faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 1926faa852bad40107edae19405e76a299057668d795glennrp { 1927faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 1928faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 1929faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 1930faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 1931faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 1932faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 1933faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 1934faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 1935faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 1936faa852bad40107edae19405e76a299057668d795glennrp } 1937faa852bad40107edae19405e76a299057668d795glennrp } 19380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1939faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 19403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 19483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 19500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 19543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1956e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 19573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1958e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 1959e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 1960e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent)); 1961faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 1962faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 1963faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 1964faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 1967faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=png_get_x_offset_pixels(ping, ping_info); 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=png_get_y_offset_pixels(ping, ping_info); 19710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1975e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 1976e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 1980faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 1981faa852bad40107edae19405e76a299057668d795glennrp { 1982faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 1983faa852bad40107edae19405e76a299057668d795glennrp { 1984faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 1985faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 1986faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 1987faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 1988faa852bad40107edae19405e76a299057668d795glennrp } 1989faa852bad40107edae19405e76a299057668d795glennrp } 1990faa852bad40107edae19405e76a299057668d795glennrp 1991faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unit_type; 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_resolution, 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_resolution; 19993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 20040881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 20050881b52ab4fee8427578a694081946c4c4e92b35cristy image->x_resolution=(double) x_resolution; 20060881b52ab4fee8427578a694081946c4c4e92b35cristy image->y_resolution=(double) y_resolution; 20070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 20113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=(double) x_resolution/100.0; 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=(double) y_resolution/100.0; 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2017e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2018e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 20193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2021faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 20223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 20243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 20253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 20273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 20283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 20300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2032faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 20380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2039faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 20403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 20413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 20433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 20483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 20493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 20503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 20523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 20533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 20553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2056faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 20593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 20603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 20633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2065faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2066faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 20670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 20693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 20700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 20723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 20730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 20753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 20760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 20783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 20833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 20843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 20853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 2089faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2090faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 20913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 20920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2093faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 21010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21022cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == MAGICKCORE_QUANTUM_DEPTH) 21033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2104faa852bad40107edae19405e76a299057668d795glennrp image->background_color.red=ping_background->red; 2105faa852bad40107edae19405e76a299057668d795glennrp image->background_color.green=ping_background->green; 2106faa852bad40107edae19405e76a299057668d795glennrp image->background_color.blue=ping_background->blue; 21073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21092cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else /* Scale background components to 16-bit */ 21103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21112cbb4489df0a2a31907769956f217d4b9d982bd0glennrp unsigned int 21122cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale; 21132cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21152cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21162cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 21172cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 21182cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21192cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 1; 21200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21212cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == 1) 21222cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 255; 21230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21242cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 2) 21252cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 85; 21260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21272cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 4) 21282cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 17; 21290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21302cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth <= 8) 21312cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale *= 257; 21322cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21332cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->red *= bkgd_scale; 21342cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green *= bkgd_scale; 21352cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->blue *= bkgd_scale; 21362cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21372cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21382cbb4489df0a2a31907769956f217d4b9d982bd0glennrp { 21392cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21402cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 21410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21422cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21432cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 21442cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 21452cbb4489df0a2a31907769956f217d4b9d982bd0glennrp } 21462cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red= 2148faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 21490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green= 2151faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 21520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue= 2154faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->blue); 21550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2156f17da7472c6195cfc91626d98d166cae04345d34cristy image->background_color.opacity=OpaqueOpacity; 21572cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21582cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21592cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2160e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->background_color=(%.20g,%.20g,%.20g).", 2161e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.red, 2162e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.green, 2163e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.blue); 21643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2167a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2168a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 2169a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red=65537; 2170a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green=65537; 2171a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue=65537; 2172a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.opacity=65537; 2173a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2174faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2177a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 218235ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 218335ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 218435ef824baa82511126ff0072ae30eee0da9c05a3cristy 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 21883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2189f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 21903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2191faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2192faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2193faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2194faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2195faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2196faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 21973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2202faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 22043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2207a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2208a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2209a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2210a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short = 65535L/((1UL << ping_bit_depth)-1); 2211a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2212a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2213a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2214a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2215a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 2216a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.opacity= scale_to_short*ping_trans_color->gray; 221705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2218faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22200f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 22210f111984738842d27d04aed2a3f823d82a943506glennrp { 22220f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22230f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 22240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22250f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22260f111984738842d27d04aed2a3f823d82a943506glennrp " scaled graylevel is %d.",transparent_color.opacity); 22270f111984738842d27d04aed2a3f823d82a943506glennrp } 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=transparent_color.opacity; 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=transparent_color.opacity; 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=transparent_color.opacity; 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2237faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2242faa852bad40107edae19405e76a299057668d795glennrp 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2244faa852bad40107edae19405e76a299057668d795glennrp 2245faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2246faa852bad40107edae19405e76a299057668d795glennrp 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2251bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2253bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 22543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 22553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2256faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2257faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2268faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2269faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2270faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2271faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2272faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2274befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2275befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2276befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2278befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2279befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=256; 22833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 65536L) 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=65536L; 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2287faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2296bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 22970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 23083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (AcquireImageColormap(image,image->colors) == MagickFalse) 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2312faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 23153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 23193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 23210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2322bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 23313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2332bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 23333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 23343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2335faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 23360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 23383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 23390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2340bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 23433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 23443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 23453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 23503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 23523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 23530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23540ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2355347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2356347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 23573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2360e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 23613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 23623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2364f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 23653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 23690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 23713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 23760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2379faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes*sizeof(*png_pixels)); 23800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2382faa852bad40107edae19405e76a299057668d795glennrp png_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 23840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 23863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 23913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2394faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 23953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 23983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 24003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2401f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 24023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 24033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 24043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info = DestroyQuantumInfo(quantum_info); 24050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 24073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 24080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 24120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 24147b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 24157b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 24167b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 24177b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 24180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 24203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2422ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 24230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2424ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 2425ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 24260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2427c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2428c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2429c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2430c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2431c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2432c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 2433c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 24343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 24353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2436c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 2437c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2438c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 2439c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 2440c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 2441c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 2442c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp int 2443c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth; 24443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2445c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth=(ssize_t) ping_bit_depth; 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2447c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2448c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2449c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2450c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickTrue : MagickFalse; 24510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 2453c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2454c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 2455c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 24560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2457c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 2458c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 24590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_read_row(ping,png_pixels+row_offset,NULL); 2461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2463c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q == (PixelPacket *) NULL) 2464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 24650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2466c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (0 && (MAGICKCORE_QUANTUM_DEPTH == 8) && !defined(MAGICKCORE_HDRI_SUPPORT)) 2467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp/* code deleted from version 6.6.6-8 */ 2468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#else /* (MAGICKCORE_QUANTUM_DEPTH != 8) */ 24690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GrayQuantum,png_pixels+row_offset,exception); 24730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2474c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 24753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2476c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GrayAlphaQuantum,png_pixels+row_offset,exception); 24770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2478c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 24793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp RGBAQuantum,png_pixels+row_offset,exception); 24810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2483c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2484c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp IndexQuantum,png_pixels+row_offset,exception); 24850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2486c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 2487c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2488c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp RGBQuantum,png_pixels+row_offset,exception); 2489c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#endif 2490c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 2491c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2492c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 2493a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 2494a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2495a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 2496a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2497c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 2498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 24995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 25005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 25015aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (q->opacity != OpaqueOpacity)) 2502c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2503a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2504a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2505a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 2506a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2507c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 2508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 25114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 2512a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (ScaleQuantumToShort(q->red) == transparent_color.red && 2513a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2514a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue)) 25154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 2516a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2517a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2518a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 25194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 25204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 25214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2522c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q++; 2523c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2524c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2526c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 2527c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2528c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2529c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 25300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2531c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 2532c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2533c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2534c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 2535c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2536c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2538c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 25397a287bfadeadea12e47c2376ca78a5d101687142cristy { 2540c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 25417a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 25427a287bfadeadea12e47c2376ca78a5d101687142cristy break; 25437a287bfadeadea12e47c2376ca78a5d101687142cristy } 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 2548c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 25533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2560faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 25613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 25620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 25650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 25673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 25680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2569bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2572faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 2573c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 2576c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_row(ping,png_pixels+row_offset,NULL); 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 25790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25835c6f789db7a30bad01ace12b09ad9cd471339e94cristy indexes=GetAuthenticIndexQueue(image); 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=png_pixels+row_offset; 25853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 2586c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2587faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2591bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2594bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 25953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 25993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 26023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2603bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 26053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 260947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 26113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2612bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 6) & 0x03; 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x03; 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 2) & 0x03; 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x03; 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2622bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p >> (i*2)) & 0x03); 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 262847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 26303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2631bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 26323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x0f; 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x0f; 26353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++ >> 4) & 0x0f; 26390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 264247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 26443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2645faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 2646bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* In image.h, OpaqueOpacity is 0 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * TransparentOpacity is QuantumRange 26513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * In a PNG datastream, Opaque is QuantumRange 26523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and Transparent is 0. 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleCharToQuantum((unsigned char) (255-(*p++))); 2655c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26560b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2661bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 266647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2669bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 16) 2672bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=(Quantum) quantum; 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 268547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2686faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=((*p++) << 8); 26893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-quantum); 2691c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26920b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 2697bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 27020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 27050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=quantum; 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 27100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2711faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(*p << 8) | *(p+1); 2714afee4d36aae894a74306a3c492437ca55dce2badcristy q->opacity*=65537L; 271546f08209f719f4adeea742c45873c2714e80cdb9cristy q->opacity=(Quantum) GetAlphaPixelComponent(q); 2716afee4d36aae894a74306a3c492437ca55dce2badcristy if (q->opacity != OpaqueOpacity) 27170b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=2; 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 272147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++); 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* strip low byte */ 272547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2726faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-(*p++)); 2729c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 27300b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 27313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 27323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 273747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 274047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 27423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 27480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2749bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 275080ac8b9110f1adf7202ed1f4f244cbb1a4e1a56fcristy indexes[x]=(IndexPacket) (*r++); 27510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 27533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27557a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 27567a287bfadeadea12e47c2376ca78a5d101687142cristy { 2757cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2758cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 275947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27607a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 27617a287bfadeadea12e47c2376ca78a5d101687142cristy break; 27627a287bfadeadea12e47c2376ca78a5d101687142cristy } 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2764c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27657a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 27663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 276847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 27703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2772c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 27743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2775c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2776c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=found_transparent_pixel; 2777c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2778c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 2779c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2780c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 2781c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2782c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 2783c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 27845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 27855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27865aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 2787a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 27885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 27895aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 2790c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2791c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2792c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2793b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 2794b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 27950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27965c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 27975c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 2798aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 27995c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 28005c6f789db7a30bad01ace12b09ad9cd471339e94cristy 28015c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 28025c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 28035c6f789db7a30bad01ace12b09ad9cd471339e94cristy (void) SyncImage(image); 2804aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 28055c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 280647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_end(ping,ping_info); 28083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 2810bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 28113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 28133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 28143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 28153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 28163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2817f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 28183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 28193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 28223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 28233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 282447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2825faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 28283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 28293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 28323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 28343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 2835c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28363c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 2837c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 28390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2841c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 28430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = 28450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleCharToQuantum((unsigned char)(255-ping_trans_alpha[x])); 28460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2847c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 284847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 28520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 28540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent_color.opacity) 28550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = (Quantum) TransparentOpacity; 28570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 28610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 286247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2863a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 2864a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 2865a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 28690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 28710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 2872c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (q == (PixelPacket *) NULL) 28740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2875c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp indexes=GetAuthenticIndexQueue(image); 28770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2878a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 2879a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 2880a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 28820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 2883a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (ScaleQuantumToShort(q->red) == transparent_color.red && 2884a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2885a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue) 28864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q->opacity=(Quantum) TransparentOpacity; 28884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 28890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2890a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 0 /* I have not found a case where this is needed. */ 28910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->opacity=(Quantum) OpaqueOpacity; 28944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2895a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 28960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q++; 28980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 29010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2902c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 29030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2904a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 2905c11cf6a442f3046940608a5743a68cc891deb13eglennrp 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 2909b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy if ((ping_color_type == PNG_COLOR_TYPE_GRAY) || 2910b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2911b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy image->colorspace=GRAYColorspace; 291247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_text(ping,ping_info,&text,&num_text) != 0) 2914bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) num_text; i++) 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check for a profile */ 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG text chunk"); 29210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(text[i].key, "Raw profile type ",17) == 0) 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_read_raw_profile(image,image_info,text,(int) i); 29240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 29293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=text[i].text_length; 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*value)); 29333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value == (char *) NULL) 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value='\0'; 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(value,text[i].text,length+2); 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProperty(image,text[i].key,value); 29430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Keyword: %s",text[i].key); 29470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=DestroyString(value); 29493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29513c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 29523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 29533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 29553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 29573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 29623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 296473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 29650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 29693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 297247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 29743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 29753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 29823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 29843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 29923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 29930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 29953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 29960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 29990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 30040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3005faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 30070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3008faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3009faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3010faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3011faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3012faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3013faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3014faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3015faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 30160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3017faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 30303c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 30323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 303647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 30443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3049f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 30550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 30603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30613ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 30623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 30633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 30643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 30653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 30663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 306821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 306921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 30703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 30713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 30733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 30743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 30763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 30773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 30793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 30803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 30833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 30853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 308647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 30883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 309047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 30933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadPNGImage()"); 30943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 309747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 30993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 310047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 310547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 310847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 311373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 311447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 311747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 312847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 31430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 314647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 314847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 31540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 315747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG8") == 0) 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,PaletteType); 31610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: Reduce to binary transparency */ 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 316747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorType); 31713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorMatteType); 31760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 31790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 31823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 31863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 31873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 31983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 31993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 32013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 32033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 32073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 32103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 32143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 32163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 32193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 32213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 32223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 32233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 32253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 32263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 32303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32314383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 32324383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 32334383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3234bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 32393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 32413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 32423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 32433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 32453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 32493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 32523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 32533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 32553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 32563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3257bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 32633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3272bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 32803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 32833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOneJNGImage()"); 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 32890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 32980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 33000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 33023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 33030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 33053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 33143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 33310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 33333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 33383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 33393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3342e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3343e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 33470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 33493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 335047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 33540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 33570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3358bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 33600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 33623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 336347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 337047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 33723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 33773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3378bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 33793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3380bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 33813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 33823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 33833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 33843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 33853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 338647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 33883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 338947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 33913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 33923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 33933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 339447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3398f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 339947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3401f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 340247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 340547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 34083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 340947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 34123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 341347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 341747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 342147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 342547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 342947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 34333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 343547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 343847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 34453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 34503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 34513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 345473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 345547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 345847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=AcquireImage(color_image_info); 34610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 34680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 34703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 34773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 347973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 34800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=AcquireImage(alpha_image_info); 34860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 34970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 35010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 35040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 35130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 35160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 351903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 35323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 35353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 353647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 354347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 354647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 35513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 35533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 35543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 355547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 35563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 35623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3563bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 35643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 356503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 35663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 35673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 35703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 35793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 358047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 35983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 36000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 36103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 36123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 36133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 36143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 36203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 36213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 36283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 36308182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 36310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 36393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36408182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 36418182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 36428182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 36438182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 36448182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 36458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 36468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 36478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 364947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3658e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 3659e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 36603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 36613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 36623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 36643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 36683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 36693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 367047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.x=mng_get_long(p); 36808182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.y=mng_get_long(&p[4]); 36810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 36833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 368847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->x_resolution=(double) mng_get_long(p); 37008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->y_resolution=(double) mng_get_long(&p[4]); 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=image->x_resolution/100.0f; 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=image->y_resolution/100.0f; 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 37483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy opacity samples of main image. 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 375847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 37620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(color_image_info->filename,MaxTextExtent,"%s", 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 37650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 37680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 37820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns*sizeof(PixelPacket); 37860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3787bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception); 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(q,s,length); 379247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 37980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 38073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 380903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 38150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading opacity from alpha_blob."); 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(alpha_image_info->filename,MaxTextExtent, 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 38240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 3826bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 383147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 3833bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3837bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q->opacity != OpaqueOpacity) 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 38453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 38483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 38513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 385547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 385647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 38583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 38640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 38660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 38670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 38700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 38720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 38760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 38830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 38870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 392921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 393021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadJNGImage()"); 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 39540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 396147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 396247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 396447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 396847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 396947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 397173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 39720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 397647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 397747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 39850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 400147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 40070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 40130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 40263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40274383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 402821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 402921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 40304383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4037bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4062bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4068bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4085bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 409438ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 409538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 409638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4097bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 411947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 412047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadMNGImage()"); 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 41300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 413747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 413847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 413947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 414073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 41410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 414547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 414647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 415647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 416047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 416147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4164bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4165bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 416947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4212e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4213e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 42170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 42200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 42230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 422747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 423047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 423347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 42470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 42580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 426347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 42680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 42750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4281bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 42823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 42830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4284bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 42860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4290e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4292e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 42968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 42970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 43000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 43040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 43070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 43118182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 43150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 43180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 43210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 432847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 43300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 43393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 43410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4342e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (void) FormatMagickString(page_geometry,MaxTextExtent, 4343e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4344f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 43450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4347bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4349bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 43510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 43540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 43670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43708182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 43718182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 43750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 43840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4386e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 43870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4389e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 44030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 44320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 44350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 44420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 44430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 44450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 44460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4450e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 4451f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 44520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4454e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 4455f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 44650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 44720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 44950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 44980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 45030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 45060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 45090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.opacity=OpaqueOpacity; 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 452147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 452447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 452547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 45310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4532bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 453935ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 45540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 455847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 4564bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 457112560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4579bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45828182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 45890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 459647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 459747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 46018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 46028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 46048182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 46068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 46088182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 46108182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 46128182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 461747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 462147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4629e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 4630e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 463547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 463947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 464947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 465247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 46590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 46620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 466647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 46700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 46740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 467747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 467847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 468047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 468347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 468547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4686bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 469747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 47018182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 47020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47038182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 47048182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 47050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4706bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4707bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 47080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 47110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4716e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 471847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4721bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 4722bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 47230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4724bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 4725bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 47260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4727bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4728bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 47290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 47320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4737e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 473947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 47450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 4749e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 4750e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 475147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 47590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4760bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 47620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4763bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4771e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 4772e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 47730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 477747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 478147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 478847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 48030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 48140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 4818e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 4819e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 483647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 484847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 48583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 487247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 487347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4882bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4885bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 489747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4900bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 490447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 490547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 4908bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 492547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4932bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 493547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 493647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 49378182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 49380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4941e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 4942e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 49430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 49460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 495747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 496147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 497347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 49800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 4984e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 4985f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 498647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 49910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 499647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 502547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 502847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 50450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 50480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 50510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 506247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 506847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 507447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 507747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 508347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 508647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 509247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 509547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 510147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 510447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 511047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 511347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 511947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 512247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 512847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 513247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 514047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 515947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 516647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 516947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 517647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 517947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 518447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 52008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 52028182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 520647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 521547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 522147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 522647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 523947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 524247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 524547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 524847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 525147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 525447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 525747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 526547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 526847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 527147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 527647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 52803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 528647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 529347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 529647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 530247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 531047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53118182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 53128182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5325bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5327bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 533547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 534247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 534647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 535347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 535647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 535747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 535847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5370e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5371e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 538847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 539547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 541047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 54210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5425e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5426e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 543047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 543747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 544447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 54500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 54530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 54743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 547747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 548147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 548647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5487bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 548847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 550047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 55023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 551347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 554647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 554947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 555147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 555247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 555447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55574e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 555847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 556147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 556447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 556647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 556747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 556947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 557347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 557647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 557847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 557947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 558147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55844e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 558547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 558847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 559147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 559347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 559447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 559647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5606bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5610bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next, 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *prev; 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 562547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 562647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 563047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 563247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5656bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 566047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5661bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleQuantumToShort(q->red); 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleQuantumToShort(q->green); 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleQuantumToShort(q->blue); 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleQuantumToShort(q->opacity); 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 566947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 568047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->background_color.opacity=OpaqueOpacity; 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 568547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 568847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 569147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 569447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5703e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 5704bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=(size_t) image->columns; 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*next)); 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*prev)); 570947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((prev == (PixelPacket *) NULL) || 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next == (PixelPacket *) NULL)) 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 571847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 572147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5722bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 5725bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 572647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5727bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 5728bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 572947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5730bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 5731bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 573247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5733bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 573547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5737bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 573847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 574247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5743bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 574947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5755bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1,exception); 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q+=(large_image->columns-image->columns); 576147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5762bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57645c6f789db7a30bad01ace12b09ad9cd471339e94cristy /* TO DO: get color as function of indexes[x] */ 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); /* replicate previous */ 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 577547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 578047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 5784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).red=(QM) (((ssize_t) (2*i*((*n).red 5785bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).red)+m))/((ssize_t) (m*2)) 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).red); 5787bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).green=(QM) (((ssize_t) (2*i*((*n).green 5788bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).green)+m))/((ssize_t) (m*2)) 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).green); 5790bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).blue=(QM) (((ssize_t) (2*i*((*n).blue 5791bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).blue)+m))/((ssize_t) (m*2)) 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).blue); 579347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 5795bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (2*i*((*n).opacity 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).opacity)+m)) 5798bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).opacity); 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 580047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 581047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 581647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 581947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5822bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) (2*i*((*n).opacity 5823bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m))/((ssize_t) (m*2)) 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels++; 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 583147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 583447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 583747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) RelinquishMagickMemory(prev); 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) RelinquishMagickMemory(next); 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5856e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5858bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 58593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=q+(image->columns-length); 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=pixels+1; 586647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5867bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 5868bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5870bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 5871bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 587247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5873bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 5874bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 587547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5876bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 5877bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 587847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5879bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 588147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5883bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 588447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 589247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 589747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).red=(QM) ((2*i*((*n).red 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).red)+m) 5903bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).red); 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).green=(QM) ((2*i*((*n).green 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).green) 5906bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy +m)/((ssize_t) (m*2))+(*pixels).green); 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).blue=(QM) ((2*i*((*n).blue 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).blue)+m) 5909bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).blue); 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5912bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m)/((ssize_t) (m*2)) 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 591547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 593147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 593447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5939bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m) /((ssize_t) (m*2)) 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 594847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5958bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 596147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5962bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleShortToQuantum(q->red); 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleShortToQuantum(q->green); 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleShortToQuantum(q->blue); 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleShortToQuantum(q->opacity); 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 597047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 600447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6020bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6021bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 602747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 603947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 60632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 60642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 60652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 60662b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 60672b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 60682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 60692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 60700c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 60718640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 60728640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6074d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageException(image,exception); 607647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6080bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6083d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6087d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 608947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 609147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 609547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 61060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 611747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 61340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 61370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 61420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 615347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 615747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 61620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 616747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 618147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 618647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 619247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 619547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 619847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 62060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 62120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 621747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 62230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 62250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6228e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6229e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 62300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 623847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 624147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6243e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 624447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6249e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6261bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 626647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=CoalesceImages(image,&image->exception); 626947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 627247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 627547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 628447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 628747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 630447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 631447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 631747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6319e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6320e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 632147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 6323f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 6324f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 632547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6326f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6327e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 6328e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 6329f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 6330f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 633147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 633547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 633847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 634125c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 634647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 634947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 635247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 635725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6380bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6383bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 639647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 640247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 641047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 641447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 642247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 642547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 643047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 64323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 643347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 643647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 644247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 644747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 645247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 645547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 646047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 646547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 647547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 647947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 648647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 648947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 649447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 650247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 650747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 651547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 65173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 652247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 652947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 653018b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 653118b17443128598500357da7bff2f01683cf32890cristy png_semaphore=AllocateSemaphoreInfo(); 653218b17443128598500357da7bff2f01683cf32890cristy#endif 653347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 656447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6566514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy if (png_semaphore != (SemaphoreInfo *) NULL) 6567514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy DestroySemaphoreInfo(&png_semaphore); 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 657225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Fix problem with palette sorting (when PNG_SORT_PALETTE is enabled, 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% some GIF animations don't convert properly) 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 66163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 66323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6658bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 66683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 66800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 66973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(dp,allocated_length- 6701f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 670347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6704bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 671147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 671847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 672147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType png_write_chunk_from_profile(Image *image, 67284383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 67403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 674247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 674347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 674447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 674647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 67503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_profile; 67513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 675247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 675347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 675447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 675547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 675647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 675747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 675847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=CloneStringInfo(profile); 675947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data=GetStringInfoDatum(png_profile), 676047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp length=(png_uint_32) GetStringInfoLength(png_profile); 676147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 676247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 676347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 676447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 676547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 676647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 676747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 676847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=DestroyStringInfo(png_profile); 676947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 677147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 677447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6778b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6779b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 6781b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp const ImageInfo *IMimage_info,Image *IMimage) 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6783b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp Image 6784b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image; 6785b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6786b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp ImageInfo 6787b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image_info; 6788b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 67893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 68013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 6802cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 6803cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 6804e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 6805e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 68065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 680739992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 680839992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 68115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 68125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 68135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 68215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 68225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 68235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6824bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 68253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 682858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 682921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 683058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 683158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 6832d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 683339992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 6834991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 6835991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 6836991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 683726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 683826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 683926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 684026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 684126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 684226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 684326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 684426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 684526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 684626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 684726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 6848a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 684926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 685026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 685126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 685226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 68530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 68540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 68583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 68593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6860bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 68613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 6868f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 68690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 68705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 68715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 68725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 68735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 68745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 68755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6876bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 68775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 68785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 68793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6880bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 68813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 68823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 68833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 68843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6885dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 6886f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 68878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 68888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 68898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 6890dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 6891dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6892dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 6893dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 6894dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 6895dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 68963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOnePNGImage()"); 68983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6899b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image = CloneImage(IMimage,0,0,MagickFalse,&IMimage->exception); 6900b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 6901b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6902b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 6903b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6904b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception) == 6905b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickFalse) 6906b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6907b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 6908b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 6909b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp return(MagickFalse); 6910b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6911b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6912b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6914f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 69180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 69195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 69205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 69215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 69225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 69235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 69245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 69265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 69275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 69285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 69295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 69305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 69325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 69335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 69345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 69355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6936dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 6937dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 6938dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 6939dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6940d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 694139992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 6942991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 6943991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 6944991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 6945991d11dd9c33e65872778b81aff1347cd2878154glennrp 69460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 69470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_EXIF=mng_info->ping_exclude_EXIF; /* hex-encoded EXIF in zTXt */ 69490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 69500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 69520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 69530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 69540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 69550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 69560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 69570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tRNS=mng_info->ping_exclude_tRNS; 69580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 69590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 69600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 69610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 69630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 69658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 69668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 69678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colorspace != RGBColorspace) 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) TransformImageColorspace(image,RGBColorspace); 69700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69713241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 69723241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 69733241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 69743241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 69753241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 69763241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 69773241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 6978a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 6979a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 6980a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 6981a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 6982a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6983a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 6984a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 6985a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 6986a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 6987a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 6988a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 6989a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 69902b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 69922b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 69932b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 69942b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 69952b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 69962b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 69972b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 69988640fb5e9b1094f35f8beab436f81661b8a99448glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 69997e2c405930c984e8ffb49b26efdfe1649bf394d6cristy if (image->depth == 16 && mng_info->write_png_colortype != 16) 70008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png8 || LosslessReduceDepthOK(image) != MagickFalse) 70018640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70028640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 70038640fb5e9b1094f35f8beab436f81661b8a99448glennrp 700483c2de583a59e41b57be8036d1cf7392c01d03d7glennrp#ifdef PNG_BUILD_PALETTE 7005d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype < 8 /* all */) 700683c2de583a59e41b57be8036d1cf7392c01d03d7glennrp { 700783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp /* 70087ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 7009d6bf1617e99df0272b231855a933a74e99b6578fglennrp * This code will build a colormap. 70107ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * 70113241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * Also, sometimes we get PseudoClass images with an out-of-date 70123241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * colormap. This code will replace the colormap with a new one. 7013d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 7014d6bf1617e99df0272b231855a933a74e99b6578fglennrp * This code will delete the colormap and change the image to 7015d6bf1617e99df0272b231855a933a74e99b6578fglennrp * DirectClass. 70168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * 70178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * Also we gather some information (number of opaque, transparent, 7018d6bf1617e99df0272b231855a933a74e99b6578fglennrp * and semitransparent pixels, and whether the image has any non-gray 7019d6bf1617e99df0272b231855a933a74e99b6578fglennrp * pixels) that we might need later. If the user wants to force 7020d6bf1617e99df0272b231855a933a74e99b6578fglennrp * GrayAlpha or RGBA (colortype 4 or 6) we probably don't need any 7021d6bf1617e99df0272b231855a933a74e99b6578fglennrp * of that. 70227ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp */ 70233c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ExceptionInfo 70258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *exception; 70268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp int 70288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp n; 70298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PixelPacket 7031d6bf1617e99df0272b231855a933a74e99b6578fglennrp opaque[260], 7032d6bf1617e99df0272b231855a933a74e99b6578fglennrp semitransparent[260], 7033d6bf1617e99df0272b231855a933a74e99b6578fglennrp transparent[260]; 70348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register IndexPacket 70368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *indexes; 70378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7038d6bf1617e99df0272b231855a933a74e99b6578fglennrp register const PixelPacket 7039d6bf1617e99df0272b231855a933a74e99b6578fglennrp *q; 7040d6bf1617e99df0272b231855a933a74e99b6578fglennrp 704103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 704203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 704303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Enter BUILD_PALETTE:"); 70443c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image->colors=GetNumberColors(image,(FILE *) NULL,&image->exception); 7046f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 70478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 70497ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70507ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->columns=%.20g",(double) image->columns); 70528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->rows=%.20g",(double) image->rows); 70548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 705558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp " image->matte=%.20g",(double) image->matte); 70568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->depth=%.20g",(double) image->depth); 70582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->colormap != NULL) 70607ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70617ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Original colormap:"); 70638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " i (red,green,blue,opacity)"); 70658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 70668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) image->colors; i++) 70678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 70686185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (i < 300 || i >= image->colors - 10) 70696185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 70706185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70716185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " %d (%d,%d,%d,%d)", 70726185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) i, 70736185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].red, 70746185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].green, 70756185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].blue, 70766185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].opacity); 70776185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 70788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 70797ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " image->colors=%d",(int) image->colors); 70832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 70848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->colors == 0) 70858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " (zero means unknown)"); 708783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 708803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 708903812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Regenerate the colormap"); 709003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 70917ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp exception=(&image->exception); 70937ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7094d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickFalse; 7095d6bf1617e99df0272b231855a933a74e99b6578fglennrp image_colors=0; 7096d6bf1617e99df0272b231855a933a74e99b6578fglennrp 70978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 70988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 709998bd891f2d35aeb2086bd36e81ededf2da65e714cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 71002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 71018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (q == (PixelPacket *) NULL) 71028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 71037ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7104d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (x=0; x < (ssize_t) image->columns; x++) 7105d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7106d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (q->red != q->green || q->red != q->blue) 7107d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 71087ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7109a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (q->opacity == OpaqueOpacity) 7110d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7111a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (number_opaque == 0) 7112a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7113a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp opaque[0]=*q; 7114a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp opaque[0].opacity=OpaqueOpacity; 7115a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_opaque=1; 7116a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7118a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp for (i=0; i< (ssize_t) number_opaque; i++) 7119a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7120a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (IsColorEqual(opaque+i, (PixelPacket *) q)) 7121a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp break; 7122a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71237ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7124a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (i == (ssize_t) number_opaque && number_opaque < 259) 7125a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7126a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_opaque++; 7127a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp opaque[i] = *q; 7128a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp opaque[i].opacity = OpaqueOpacity; 7129a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 7131a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else if (q->opacity == TransparentOpacity) 71326185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 71336185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (number_transparent == 0) 71346185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7135a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent[0]=*q; 71366185c5395ac23a4c51586d671ec3e0ba9c126349glennrp ping_trans_color.red=(unsigned short)(q->red); 71376185c5395ac23a4c51586d671ec3e0ba9c126349glennrp ping_trans_color.green=(unsigned short) (q->green); 71386185c5395ac23a4c51586d671ec3e0ba9c126349glennrp ping_trans_color.blue=(unsigned short) (q->blue); 71396185c5395ac23a4c51586d671ec3e0ba9c126349glennrp ping_trans_color.gray=(unsigned short) (q->blue); 71406185c5395ac23a4c51586d671ec3e0ba9c126349glennrp number_transparent = 1; 71416185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 71426185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7143a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp for (i=0; i< (ssize_t) number_transparent; i++) 7144a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7145a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (IsColorEqual(transparent+i, (PixelPacket *) q)) 7146a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp break; 7147a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71486185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7149a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (i == (ssize_t) number_transparent && 7150a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_transparent < 259) 7151a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7152a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_transparent++; 7153a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent[i] = *q; 7154a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7155a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7156a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 71578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 7158a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (number_semitransparent == 0) 7159a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7160a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp semitransparent[0]=*q; 7161a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_semitransparent = 1; 7162a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71633c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7164a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 7165a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7166a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (IsColorEqual(semitransparent+i, 7167a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (PixelPacket *) q) && 7168a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp q->opacity == semitransparent[i].opacity) 7169a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp break; 7170a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 71713241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7172a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (i == (ssize_t) number_semitransparent && 7173a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_semitransparent < 259) 7174a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7175a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_semitransparent++; 7176a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp semitransparent[i] = *q; 7177a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7178d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 71798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp q++; 71808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 71818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 71823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7183a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image_colors=number_opaque+number_transparent+number_semitransparent; 7184a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 718503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 718603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 71876185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (image_colors >= 256) 718803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71896185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " image has more than 256 colors"); 71903241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 719103812ae402fb53d548f0e1d7d14720768f803c2dglennrp else 719203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7193f09bdedccf9ca10bc002a946227df3367cb58d14glennrp " image has %d colors",image_colors); 719403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 71952cc891a179d622dde7bbb8854138851e828bc6eaglennrp 71966185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (image_colors < 257) 71976185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7198a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp PixelPacket 7199a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp colormap[260]; 7200a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 72016185c5395ac23a4c51586d671ec3e0ba9c126349glennrp /* 72026185c5395ac23a4c51586d671ec3e0ba9c126349glennrp Initialize image colormap. 72036185c5395ac23a4c51586d671ec3e0ba9c126349glennrp */ 72042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 72056185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (logging != MagickFalse) 72066185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72076185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " Sort the new colormap"); 72083241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72096185c5395ac23a4c51586d671ec3e0ba9c126349glennrp /* Sort palette, transparent first */; 72103241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72116185c5395ac23a4c51586d671ec3e0ba9c126349glennrp n = 0; 72123241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72136185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i<number_transparent; i++) 72146185c5395ac23a4c51586d671ec3e0ba9c126349glennrp colormap[n++] = transparent[i]; 72153241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72166185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i<number_semitransparent; i++) 72176185c5395ac23a4c51586d671ec3e0ba9c126349glennrp colormap[n++] = semitransparent[i]; 72186185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 72196185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i<number_opaque; i++) 72206185c5395ac23a4c51586d671ec3e0ba9c126349glennrp colormap[n++] = opaque[i]; 72216185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 72226185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (ping_exclude_bKGD == MagickFalse) 72234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 72246185c5395ac23a4c51586d671ec3e0ba9c126349glennrp /* Add the background color to the palette, if it 72256185c5395ac23a4c51586d671ec3e0ba9c126349glennrp * isn't already there. 72266185c5395ac23a4c51586d671ec3e0ba9c126349glennrp */ 72276185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i<number_opaque; i++) 72286185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72296185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (IsColorEqual(opaque+i, 72306185c5395ac23a4c51586d671ec3e0ba9c126349glennrp &image->background_color)) 72316185c5395ac23a4c51586d671ec3e0ba9c126349glennrp break; 72326185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 72336185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 72346185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (number_opaque < 257 && i == number_opaque) 72356185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72366185c5395ac23a4c51586d671ec3e0ba9c126349glennrp opaque[i]=image->background_color; 72376185c5395ac23a4c51586d671ec3e0ba9c126349glennrp opaque[i].opacity = OpaqueOpacity; 72386185c5395ac23a4c51586d671ec3e0ba9c126349glennrp number_opaque++; 72396185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 72404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 72413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72426185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 72436185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (number_transparent == 0 && number_semitransparent == 0)) && 72446185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (((mng_info->write_png_colortype-1) == 72456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp PNG_COLOR_TYPE_PALETTE) || 72466185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (mng_info->write_png_colortype == 0))) 72474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 72486185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (logging != MagickFalse) 72496185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72506185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (n != (ssize_t) image_colors) 72516185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72526185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " image_colors (%d) and n (%d) don't match", 72536185c5395ac23a4c51586d671ec3e0ba9c126349glennrp image_colors, n); 72544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 72556185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72566185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " AcquireImageColormap"); 72576185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 7258d6bf1617e99df0272b231855a933a74e99b6578fglennrp 72596185c5395ac23a4c51586d671ec3e0ba9c126349glennrp image->colors = image_colors; 7260d6bf1617e99df0272b231855a933a74e99b6578fglennrp 72616185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (AcquireImageColormap(image,image_colors) == 72626185c5395ac23a4c51586d671ec3e0ba9c126349glennrp MagickFalse) 72636185c5395ac23a4c51586d671ec3e0ba9c126349glennrp ThrowWriterException(ResourceLimitError, 72646185c5395ac23a4c51586d671ec3e0ba9c126349glennrp "MemoryAllocationFailed"); 7265d6bf1617e99df0272b231855a933a74e99b6578fglennrp 72666185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i< (ssize_t) image_colors; i++) 72676185c5395ac23a4c51586d671ec3e0ba9c126349glennrp image->colormap[i] = colormap[i]; 72683241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72696185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (logging != MagickFalse) 72706185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72716185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72726185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " image->colors=%d (%d)", 72736185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colors, image_colors); 72743241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72756185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72766185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " Update the pixel indexes"); 727703812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 72783241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 72796185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (y=0; y < (ssize_t) image->rows; y++) 72806185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72816185c5395ac23a4c51586d671ec3e0ba9c126349glennrp q=GetAuthenticPixels(image,0,y,image->columns,1, 72826185c5395ac23a4c51586d671ec3e0ba9c126349glennrp exception); 72832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 72846185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (q == (PixelPacket *) NULL) 72856185c5395ac23a4c51586d671ec3e0ba9c126349glennrp break; 72863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 72876185c5395ac23a4c51586d671ec3e0ba9c126349glennrp indexes=GetAuthenticIndexQueue(image); 72883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 72896185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (x=0; x < (ssize_t) image->columns; x++) 729003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 72916185c5395ac23a4c51586d671ec3e0ba9c126349glennrp for (i=0; i< (ssize_t) image_colors; i++) 72926185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72936185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if ((image->matte == MagickFalse || 72946185c5395ac23a4c51586d671ec3e0ba9c126349glennrp image->colormap[i].opacity == q->opacity) && 72956185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (IsColorEqual(&image->colormap[i],(PixelPacket *) q))) 72966185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 72976185c5395ac23a4c51586d671ec3e0ba9c126349glennrp indexes[x]=(IndexPacket) i; 72986185c5395ac23a4c51586d671ec3e0ba9c126349glennrp break; 72996185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 73006185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 73016185c5395ac23a4c51586d671ec3e0ba9c126349glennrp q++; 730203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 730383c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 73046185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 73056185c5395ac23a4c51586d671ec3e0ba9c126349glennrp break; 73066185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 73076185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 730803812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 73093c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 731003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 731103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 731203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 731303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " image->colors=%d", (int) image->colors); 73143c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 731503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (image->colormap != NULL) 731603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 731703812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 731803812ae402fb53d548f0e1d7d14720768f803c2dglennrp " i (red,green,blue,opacity)"); 73193c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 732003812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i < (ssize_t) image->colors; i++) 732103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 73226185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (i < 300 || i >= image->colors - 10) 73236185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 73246185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73256185c5395ac23a4c51586d671ec3e0ba9c126349glennrp " %d (%d,%d,%d,%d)", 73266185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) i, 73276185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].red, 73286185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].green, 73296185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].blue, 73306185c5395ac23a4c51586d671ec3e0ba9c126349glennrp (int) image->colormap[i].opacity); 73316185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 733203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 733303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 733403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 73356185c5395ac23a4c51586d671ec3e0ba9c126349glennrp if (logging != MagickFalse) 73366185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7337a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (number_transparent < 257) 7338a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7339a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_transparent = %d", 7340a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_transparent); 7341a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 73426185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7343a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7344a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_transparent > 256"); 73456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7346a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (number_opaque < 257) 7347a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7348a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_opaque = %d", 7349a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_opaque); 7350a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 7351a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7352a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_opaque > 256"); 7353a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7354a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (number_semitransparent < 257) 7355a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7356a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_semitransparent = %d", 7357a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp number_semitransparent); 7358a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 7359a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7360a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7361a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " number_semitransparent > 256"); 73626185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 73636185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 736403812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 736503812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 736603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 736783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp } 73683c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp#endif /* PNG_BUILD_PALETTE */ 73693c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 73700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 73710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 73720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 73730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp int colortype=mng_info->write_png_colortype; 73740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 73760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 73770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 73790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 73800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73814383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (colortype != 0 && mng_info->write_png_colortype != (ssize_t) colortype) 73820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 73830b206f5daa453dc1035db5890cabc899736dc2d0glennrp 73840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 73850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 73863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 73873c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 73883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 73893c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 7390f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 73913c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 739283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 73930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 73948eb57274a813fc3f2e2f96b166eb569f5e17aa26glennrp image_colors <= 256; 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,image, 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler,(void *) NULL, 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_malloc_ptr) png_IM_malloc,(png_free_ptr) png_IM_free); 74030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,image, 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler); 74070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 74110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 74130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) NULL; 74223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 74303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 74333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7434f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 74353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7436b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 7437b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 7438b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 7439b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 74482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 74532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 74562b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 74582b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74594e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 74604e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 74612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 74633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 74640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 74670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 74693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 74703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 74710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 74733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 74740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 74770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 74793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7481e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 74823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7483e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 74843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7485e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 74863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74878640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 74883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74898640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 74903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74918640fb5e9b1094f35f8beab436f81661b8a99448glennrp 74923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 74935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 7494dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 749526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 74963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 749726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 749826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 74993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->x_resolution != 0) && (image->y_resolution != 0) && 75003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 75013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 7503dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7504dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 75053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 75073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7508dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7509dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution/2.54); 7510dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution/2.54); 75113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7512dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 75133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 75143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7515dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7516dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution); 7517dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution); 75183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7519991d11dd9c33e65872778b81aff1347cd2878154glennrp 75203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 75213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7522dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 7523dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) image->x_resolution; 7524dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) image->y_resolution; 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7526991d11dd9c33e65872778b81aff1347cd2878154glennrp 7527991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 75283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 752926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7531a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 753226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 753326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 7534a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7536a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 7537a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 7538a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 7539a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 7540a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 7541a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 75420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7543a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 7544a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 75450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7546a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 7547a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 75480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7549a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 7550a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 75510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7552a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 7553a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 75540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7555a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 7556a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 75570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7558a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 7559a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 75600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 75610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 75633b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 75643b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 75663b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 75673b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 75693b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 75700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 757226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 75790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* TO DO: make this a function cause it's used twice, except 75840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 75850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 75878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 75888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 75890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 75910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 75920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 75930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 75940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 75960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 7598f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 75990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 76010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 76020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 76030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 76040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 76050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 76060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if MAGICKCORE_QUANTUM_DEPTH == 8 76080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 76100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %5ld (%5d,%5d,%5d)", 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 76120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 76152b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 76168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 76178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 76188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 76195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 762058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 76218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 76220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 76230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 76240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 76250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 76268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 76298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 76300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* PNG8 can't have semitransparent colors so we threshold them 76328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp * to 0 or 255 76338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp */ 76348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (; i < (ssize_t) number_semitransparent; i++) 76358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=image->colormap[i].opacity > 76368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp OpaqueOpacity/2 ? 0 : 255; 76370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76382cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 76398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 76400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 76420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 76430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 76458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 76468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 76470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 76494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 76504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 76514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Identify which colormap entry is the background color. 76524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 76534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 76544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 76554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 76560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 76584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 76600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png24) 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 76645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 76653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png32) 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 76760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 76783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 76800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 76825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 76858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 76868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* write_ping_colortype not specified */ 76903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 76923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76933c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 76940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7695d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 76968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 76970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7698d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 77023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7704d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77105aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 77115aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 77125aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 77135aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 77145f1c1fff2a55c4d8756556e78c1f307d352ed1b8cristy if (image_info->type == UndefinedType || 77158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_info->type == OptimizeType) 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 77188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 77195aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 77205aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 77215aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 77225aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 77235aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 77240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77250b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 77265aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 77275aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 77285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 77295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 77308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 77315aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 77325aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 77335aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 77345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 77355aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 77365aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 77375aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 77388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 77390b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 77405aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 77415aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 77425aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 77435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 77445aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 77450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 77465aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 77473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 775026c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 77518640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 775226c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 77535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 77540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 77550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 77560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 77570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 77580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 77590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 77603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7761d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 7762d6bf1617e99df0272b231855a933a74e99b6578fglennrp 77635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 77643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte == MagickFalse && image->colors < 256) 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsMonochrome(image)) 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 77703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77738640fb5e9b1094f35f8beab436f81661b8a99448glennrp 77745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 77753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 777635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 77775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 77780f111984738842d27d04aed2a3f823d82a943506glennrp 77790f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 77800f111984738842d27d04aed2a3f823d82a943506glennrp { 77810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 77820f111984738842d27d04aed2a3f823d82a943506glennrp (void) ThrowMagickException(&image->exception, 77830f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 77840f111984738842d27d04aed2a3f823d82a943506glennrp "image has 0 colors", "`%s'",""); 77850f111984738842d27d04aed2a3f823d82a943506glennrp } 77860f111984738842d27d04aed2a3f823d82a943506glennrp 778735ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 77885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 7789d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 77903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7791d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 7792d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 7793d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7794d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 77950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7796d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7797d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 7798d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 77990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7800d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 7801d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 78023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78032cc891a179d622dde7bbb8854138851e828bc6eaglennrp 78045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 78052b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 78073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7809e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 78100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7812e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 78130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7815e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 78160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78183c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 78198640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 78208640fb5e9b1094f35f8beab436f81661b8a99448glennrp 78218640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7822e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 78233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 782558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 78263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 78284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 78312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_color != MagickFalse) 78334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 78342b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 78364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 78373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 78384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 78394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 78414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 78424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 7843a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 78444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 78454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type&=0x03; 78464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 78494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 78514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask; 78523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 78540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 78564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 78570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 78594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 78600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 78624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 78630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 78654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 78660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 78684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 78690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 78714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 78720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 78744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 78750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 78774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(PixelIntensityToQuantum( 78784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 78790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 78810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 78834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 78840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 78864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 78884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp Determine if there is one and only one transparent color 78894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp and if so if it is fully transparent. 78904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 78914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Is there a single fully transparent color?"); 78948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 78954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent > 1 || number_semitransparent > 0) 78964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 78974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS = MagickFalse; 78984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 78994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " ... No."); 79014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 79034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 79054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " ... Yes: (%d,%d,%d), (gray: %d)", 79074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 79084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 79094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue, 79104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.gray); 79114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 79154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 79170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 79194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 79214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 79224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 79234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 79244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 79284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 79303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 79325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 79335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 79345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 79353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79388640fb5e9b1094f35f8beab436f81661b8a99448glennrp 79393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 79400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79412e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 79423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 79430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 794439992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 79453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 794658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp ImageIsGray(image) && (image_matte == MagickFalse || image_depth >= 8)) 79473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 794835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 79490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 79519c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 79520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 79564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 79573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 79584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 79604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 79634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 79654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 79693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 79700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_colors == 0 || image_colors-1 > MaxColormapSize) 7972f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 79730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 79755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 79760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 79805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 79813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 79833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 79850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 798635ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 7987bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 79885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 79893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 79930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 79943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 79953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 79983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 79993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 80003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 80013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 80023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8003bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 80043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 80063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 80073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 80093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 80113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 80120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 80143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 80150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 80173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 80183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80192b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 80219c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 80220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 80249c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 80250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 80279c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 80283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 80323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 80350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 80373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 803817a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 803917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 80403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 80413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 80433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 80443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 80455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 80460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 804758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 80483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80499c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 80500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80513b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 80529c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 80539c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 80543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 80573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8058bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 80593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 80613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 80623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 80633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 80663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 806798156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 8068f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 80690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 807039992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 80713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 8074d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 80753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8076befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 8077befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 8078befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 80795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 8080befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 80810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8082befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy while ((one << ping_bit_depth) < number_colors) 80835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 80843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 80870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 808858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 80890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 8091d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 8092d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 80930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 80943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8095d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 8096d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 80973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 80990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 81000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8101d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 81020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8103c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8104c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8105c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8106c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 8107c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8108d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 8109d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8110d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 8111d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8112d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_trans_alpha[i]= (png_byte) (255- 8113d6bf1617e99df0272b231855a933a74e99b6578fglennrp ScaleQuantumToChar(image->colormap[i].opacity)); 8114d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 81150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 81213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8122c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 81233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 81243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 81250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 81273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 81294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 81324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 81334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 81344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 81354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 81364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 81375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 81385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 81395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 81405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 81414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 81424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 81434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 81464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 81474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 81484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 81494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 81503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81534383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 81544383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 81552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 81563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 81573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 81583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 81595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 81603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 81613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 81633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 81643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 816535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 816635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 816735ef824baa82511126ff0072ae30eee0da9c05a3cristy 816822ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 81693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 817126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 81723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8173a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.gray=(png_uint_16) 81743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (QuantumScale*(maxval*(PixelIntensity(&image->background_color)))); 81753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Setting up bKGD chunk (2)"); 81793b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 8180991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 818126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 81823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) (QuantumScale*(maxval* 81845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray)); 81853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 818617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 818726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 818826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 818917a1485544c62993fc7a94e343c87fed5f3e6407glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 819017a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 819117a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 819217a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 819317a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 819417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 819517a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 819617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8197a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 8198a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 819917a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 820017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 820117a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 820217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 82033b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 82040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 82050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 82070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8208a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 820913d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 8210a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 82110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 82123b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 82133b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 82140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 82150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 82170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 82180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 82190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 82200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8221a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 822217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8223d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 82243c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 82253b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 82263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 82283c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 82293c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 823017a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 823126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 823217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 82333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 82363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 82373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 82383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 82393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 82410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 82430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 82460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 82470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 82490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 82530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_mem_level(ping, 9); 82550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 82573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 82580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quality > 9) 82603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 82623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 82633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8264bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 82650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression level: %d",level); 82690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_level(ping,level); 82713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression strategy: Z_HUFFMAN_ONLY"); 82780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_strategy(ping, Z_HUFFMAN_ONLY); 82803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up filtering"); 82853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82862b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 82873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* This became available in libpng-1.0.9. Output must be a MNG. */ 82883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && ((quality % 10) == 7)) 82893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: PNG_INTRAPIXEL_DIFFERENCING"); 82930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 82953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: 0"); 83013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 83022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 83053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter; 83063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((quality % 10) > 5) 83088640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 83090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83108640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 83118640fb5e9b1094f35f8beab436f81661b8a99448glennrp if ((quality % 10) != 5) 83123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter=(int) quality % 10; 83130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83148640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 83158640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 83165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 83173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (quality < 50)) 83188640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_NO_FILTERS; 83190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83208640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 83218640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 83220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (base_filter == PNG_ALL_FILTERS) 83263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: ADAPTIVE"); 83283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 83293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: NONE"); 83313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83322b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,base_filter); 83343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8336c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse) 8337c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8338c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 8339c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 83403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8341c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 83420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8343c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 8344c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8345c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 8346c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 8347c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 834826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 8349c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 8350c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 8351c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8352c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_set_iCCP(ping,ping_info,(const png_charp) name,0, 8353e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 8354c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 8355e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 8356e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 8357e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 8358c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8359c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 836026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 83610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8362c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 83633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8364c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 8365c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8366c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_write_raw_profile(image_info,ping,ping_info, 8367c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 8368c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 8369c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8370c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8371c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 83720b206f5daa453dc1035db5890cabc899736dc2d0glennrp 8373c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8374c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8375c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 83760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8377c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 8378c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 83793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 83823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 83833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 83843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 83853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 838626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 838726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 838826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 838926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 839026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 839126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 839226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 839326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 83940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 839526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 839626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 839726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp image->rendering_intent))); 83980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 839926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_gAMA == MagickFalse) 840026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_gAMA(ping,ping_info,0.45455); 840126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 84023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 840326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 84045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 84053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 84063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84072cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 84082cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 840926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 841026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 84113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 84123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 84143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 84153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 84163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 84173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 84203b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 84213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 84223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 842326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 84242b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 842526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 84263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 842726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 842826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 842926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 843026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 843126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 843226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 843326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 843426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 843526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 843626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 843726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 843826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 843926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 844026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 844126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 844226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 844326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 844426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 844526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 844626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 844726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 844826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 844926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 845026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 845126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 845226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 84533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8454dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 84555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 84563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 84583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 84593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Bail out if cannot meet defined PNG:bit-depth or PNG:color-type */ 84613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8462d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 84633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 84653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 84663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 84682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 84695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 84705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 84713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 84743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 84755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 84763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 84790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 84805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 84813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 84825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 8483991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 84840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 84853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 84890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 84900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 84920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 84930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 84943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 84953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth=%u, Computed depth=%u", 84983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 84995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 85003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 85023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 85033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type=%u, Computed color type=%u", 85063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 85075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 85083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 85113bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 85123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Cannot write image with defined PNG:bit-depth or PNG:color-type."); 85133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 851558e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (image_matte != MagickFalse && image->matte == MagickFalse) 85163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 85183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 85193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageOpacity(image,0); 85200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8521b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 8522b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8523b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 85243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8526991d11dd9c33e65872778b81aff1347cd2878154glennrp if (image->matte == MagickTrue) 8527e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 8528991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 8529991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type != 3 || ping_num_trans > 0) 8530c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8531991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 8532c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8533c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8534c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 8535c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8536e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 8537e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 85383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 85413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 85435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 85445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 85455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 85465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 854739992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 854839992b4dd9b12ef752d55b8e402c069698851f72glennrp { 8549f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 85500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85513b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 855239992b4dd9b12ef752d55b8e402c069698851f72glennrp { 85538640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 85540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8555d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 85560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8557d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 8558d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 85590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 85600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 85610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 8562d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 85630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 85640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 85650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8566d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 85670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 85680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 85690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 85700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 85710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 857239992b4dd9b12ef752d55b8e402c069698851f72glennrp } 857339992b4dd9b12ef752d55b8e402c069698851f72glennrp } 857439992b4dd9b12ef752d55b8e402c069698851f72glennrp 857526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 857626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 857726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 857826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 857926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8580991d11dd9c33e65872778b81aff1347cd2878154glennrp 858126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 8582dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 858326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 858426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 858526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 858626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 858726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 858826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 858926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8590dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8591dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8592dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 85934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 8594dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 859526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 859626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 859726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 859826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 8599dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 860026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 860126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 860226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 860326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 860426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8605dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8606dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 8607dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 86083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 8609991d11dd9c33e65872778b81aff1347cd2878154glennrp 861039992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 8611991d11dd9c33e65872778b81aff1347cd2878154glennrp { 86123b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 86130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 86140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 86160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8617991d11dd9c33e65872778b81aff1347cd2878154glennrp 86180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 86190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 86200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 86210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 86220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 8623991d11dd9c33e65872778b81aff1347cd2878154glennrp 86240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 86250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 86260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 86270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 86280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 86290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 86300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86313b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 86320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 86330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8634c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 86350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 86360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 86370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 86380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 86390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 86400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8641991d11dd9c33e65872778b81aff1347cd2878154glennrp 86423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 86434383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 86443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 8645991d11dd9c33e65872778b81aff1347cd2878154glennrp 86463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 86474383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 86483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 864926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 86503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 86524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 865326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 865426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 865526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 865626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 865726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 865826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 865903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 866026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 866126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 866226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 866326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 866426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 866526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 86663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 86699c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 86703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 86719c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 86723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 86733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 86763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 86783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 8680b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 8681b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 86827202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 86833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8684b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 86853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 8686b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8688b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 8689b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 8690b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8692b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 86933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 8694b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8696b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 8697b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 87003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 87013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8702b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8703b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 87040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8705b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8706e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 87073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 87093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 87100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 87123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 87130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 87153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 87163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 87175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 87183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 87203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 87213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 87223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 87233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 87243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 87253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 87263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 87273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 87283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 87293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 87303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 87313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 8732f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 87333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8734b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 8735b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 8736b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 8737b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 87383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 87393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8740ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 8741ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 8742ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 87433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 87443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 87453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 87468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 87473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 87488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 87498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 87503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 875158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte == MagickFalse && ImageIsMonochrome(image)) 87523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 87543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 87553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 87560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 87583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 87593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 87613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 87623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8763bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 87643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8765a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 87663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (logging != MagickFalse) 87673b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87683b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 8769a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 87703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 87710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 87733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 87763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 87793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 87803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 87813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 87823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 8784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) (*(png_pixels+i) 87863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 87873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RedQuantum,png_pixels,&image->exception); 87943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 8797bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) ((*(png_pixels+i) > 127) ? 87993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 88000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8802b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8803b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 88040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 88063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 88083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 88103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 88113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 88123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 88173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 88193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 882058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 88215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 882239992b4dd9b12ef752d55b8e402c069698851f72glennrp (mng_info->IsPalette) && ImageIsGray(image)) 88233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 88258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 88260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 88283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8830bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 88313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 88332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 88353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 88362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 88403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 88422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RedQuantum,png_pixels,&image->exception); 88462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 88488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 88503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 8853b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 88543b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8855b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 88572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayAlphaQuantum,png_pixels,&image->exception); 8860b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 88612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88623b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8863b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 88652cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 88673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 88708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 88728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 88738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 88748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 88770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 88818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 88820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 88843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 88868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 88878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 88888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 8890b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 88918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1, 88928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 88932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 88958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 88962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 88998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 89008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RedQuantum,png_pixels,&image->exception); 89022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 89048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 89068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 89098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,GrayAlphaQuantum,png_pixels, 89128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 89132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 89158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 89178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 89208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RGBAQuantum,png_pixels,&image->exception); 89222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 89248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,RGBQuantum,png_pixels,&image->exception); 89262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8928b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 89302cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp png_write_row(ping,png_pixels); 8932b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 89338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 89368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 89378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 89388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 89398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 89418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 89428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 89448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 89462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 89488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 89498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 89528640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 89538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 89548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 89562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 89582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 89608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 89612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 89638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8964d6bf1617e99df0272b231855a933a74e99b6578fglennrp quantum_info,GrayQuantum,png_pixels,&image->exception); 89652cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 89678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 89698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 89712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8973d6bf1617e99df0272b231855a933a74e99b6578fglennrp quantum_info,GrayAlphaQuantum,png_pixels, 8974d6bf1617e99df0272b231855a933a74e99b6578fglennrp &image->exception); 89758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 89788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 89798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info,IndexQuantum,png_pixels,&image->exception); 89802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y <= 2) 89828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (4)"); 89852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " png_pixels[0]=%d,png_pixels[1]=%d", 89888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (int)png_pixels[0],(int)png_pixels[1]); 89898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp png_write_row(ping,png_pixels); 89918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 89932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 89948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 89958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 89968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 89978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 89988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 89998640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 90003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 90038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 9004b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 9005b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 90063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9010b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 90110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9013e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 90140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9016e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 90170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 90193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth: %d",mng_info->write_png_depth); 90223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 90260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 90283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type: %d",mng_info->write_png_colortype-1); 90313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 90350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 90383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Generate text chunks. 90413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 904226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt == MagickFalse && ping_exclude_zTXt == MagickFalse) 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 904426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 904526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 904626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 904726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 904826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 904926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 90502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 905126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp value=GetImageProperty(image,property); 905226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (value != (const char *) NULL) 905326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 905426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 905526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].key=(char *) property; 905626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text=(char *) value; 905726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text_length=strlen(value); 90582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 905926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt != MagickFalse) 90604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 90612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 906226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else if (ping_exclude_zTXt != MagickFalse) 90634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 90642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 906526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else 90663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=image_info->compression == NoCompression || 90684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image_info->compression == UndefinedCompression && 90694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 90704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp PNG_TEXT_COMPRESSION_zTXt ; 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 907326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 907426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 907526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 907626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up text chunk"); 90772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 907826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 907926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " keyword: %s",text[0].key); 908026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 908226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_text(ping,ping_info,text,1); 908326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_free(ping,text); 908426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 908526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 908626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 90904383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 90913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 90950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 90970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 90993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 91015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 91025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 91033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 91053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 91063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 91083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 91093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 91103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 911203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 91143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 91153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 91163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 91183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 91193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 91203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 91213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 91223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 91235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 91243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 91253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 91265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 91283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 91293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 91303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 91313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 91343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 91353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 91373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 91383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 91393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 91403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 91410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 91433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 91443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 91455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 91463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 91473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 91493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9151f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 91523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 91533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9154b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 9155b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9156b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9157b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9158b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 9159b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9160b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 9161b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 9162b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 9163b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9164b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) SetImageProperty(IMimage,"png:bit-depth-written",s); 9165b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 91663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 91690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 91713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 91723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 91733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 91753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 91763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 91803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 91833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 91843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 91863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 91873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 91893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 91913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 91933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 91953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 91973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 91993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 92013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 92033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 92053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 92063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pseudo-formats which are subsets of PNG: 92073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG8: An 8-bit indexed PNG datastream is written. If transparency 92093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 92103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 92113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent). The pixels contain 8-bit indices even if 92123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% they could be represented with 1, 2, or 4 bits. Note: grayscale 92133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 92143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG grayscale type might be slightly more efficient. 92153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 92173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 92183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% one of the colors as transparent. 92193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 92213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 92223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 92230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 92243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 92263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 92273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 9228bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 9229bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 9230bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 92313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 92333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 92353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 92363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 92383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 92393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 92413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 92423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 92433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 92443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 92463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 92473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% If the image cannot be written without loss in the requested PNG8, PNG24, 92493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or PNG32 format or with the requested bit-depth and color-type without loss, 92503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% a PNG file will not be written, and the encoder will return MagickFalse. 92513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 92523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 92533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 92543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency prior to attempting to write the image in a format that 92553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is subject to depth, color, or transparency limitations. 92563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% TODO: Enforce the previous paragraph. 92583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 92603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 92613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 92623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 92643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 92653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 92663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 92673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 92693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 92713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 9272bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 9273bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 92743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 92763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 92773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 9278bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 92793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9280bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 92813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 92823241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 92830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 9284d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 92850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 92860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 92870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 92883241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% transparent color first, if PNG_BUILD_PALETTE is defined. 92890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 9290d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 9291d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 9292d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% requested via the "-define PNG:bit-depth=N" option. 9293d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 9294d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 9295d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 9296d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 92970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 92983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 92993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 93003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 93013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image *image) 93023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 930421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 930521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 930621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 93073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 93083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 93103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 93133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 93143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 931621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 93175c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 93185c7cf4e469a4dad7e277783749155932252c52dfglennrp 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 93253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 93273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WritePNGImage()"); 93283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 933273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 93330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 93353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 93393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 9342a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 93433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 93483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 93493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 93503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 93523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93539c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 93549c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 93559c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 93563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93609c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 93619c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 93629c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 93630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93649c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 93659c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 93660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93679c1eb0729653219b9da9037e044501a6dce79d10glennrp else 93689c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 93690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93709c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 93713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 93743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93759c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 93769c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 93779c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 93780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93799c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 93809c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 93810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93829c1eb0729653219b9da9037e044501a6dce79d10glennrp else 93839c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 93840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93859c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 93863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 93898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 93903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 93913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 93939c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 93940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 93969c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 93970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 93999c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 94000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 94029c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 94030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 94059c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 94060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9407bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9408bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9409bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9410bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 9411bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9412bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 94133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94149c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9415bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 94190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 94213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 94249c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 94250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 94279c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 94280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 94309c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 94310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 94339c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 94340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 94369c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 94370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9438bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9439bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9440bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9441bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 9442bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9443bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 94443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94459c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9446d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 94473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 94500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The default is to not exclude any chunks except for any 94520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 94530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Chunks can be listed for exclusion via a "PNG:exclude-chunk" 94550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 94560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 94570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 94580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 94590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 94610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * A "PNG:include-chunk" define takes priority over both the 94630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * mng_info and the "PNG:exclude-chunk" define. Like the 94640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 94650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * well as a comma-separated list. 94660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 94680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 94690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 94700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 94720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 94730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 94740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 94760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 94770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 94780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 94790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * artifact to "none,gama". 94800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 94810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 948226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 948326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 948426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 948526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 948626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 948726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 948826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 948926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 949026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 949126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 949226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 9493a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 949426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 949526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 949626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 949726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 949803812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 949903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 95005c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 95015c7cf4e469a4dad7e277783749155932252c52dfglennrp { 95025c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9503acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 95045c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 9505acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9506acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9507acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 9508acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 95095c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9510acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 95115c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 951226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9513acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9514acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 9515acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9516acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 951703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 951803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 951926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 952003812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 952103812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 952226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 952303812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 952426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 952503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 95262cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 95272cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 95282cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95292cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 95302cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 95312cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95322cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 95332cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 953403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 953503812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 953603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 953703812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 953803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 953903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 954003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 954103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 954203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 954303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 954403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 954503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 954603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 954703812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 954803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 954903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 955003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 955103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 9552a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 955303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 955403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 955503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 955603812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 955703812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 95582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 955903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 956003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 956103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 956203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 956303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 956403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 956503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 956603812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 956703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 956803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 956903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 957003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9571a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 957203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 957303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 957403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 957503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 95762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 957703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 957803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 95792cc891a179d622dde7bbb8854138851e828bc6eaglennrp 958003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 958103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 95822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 958303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 958403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 95852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 958603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 958703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 95882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 958903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 959003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 95912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 959203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 959303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 959403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 959503812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 95962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 959703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 959803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 95992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 960003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 960103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 96022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 960303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 960403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 96052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9606a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 9607a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 96082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 960903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 961003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 96112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9612a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 9613a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 9614a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 961503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 961603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 96172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 961803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 961903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 96202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 962103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 962203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 96232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 962403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 9625ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 962626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 962726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 96285c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 96295c7cf4e469a4dad7e277783749155932252c52dfglennrp { 96305c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9631acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 96325c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 9633acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9634acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9635acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 9636acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 96375c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9638acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 96395c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 964026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9641acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9642acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 9643acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9644acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 964503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 964603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 964703812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 964803812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 964926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 965003812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 965126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 965203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 96532cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 96542cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 96552cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96562cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 96572cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 96582cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96592cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 96602cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 966103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 966203812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 966303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 966403812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 966503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 966603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 966703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 966803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 966903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 967003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 967103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 967203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 967303812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 967403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 967503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 967603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 967703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9678a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 967903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 968003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 968103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 968203812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 968303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 96842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 968503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 968603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 968703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 968803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 968903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 969003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 969103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 969203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 969303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 969403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 969503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 969603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 9697a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 969803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 969903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 970003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 970103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 97022cc891a179d622dde7bbb8854138851e828bc6eaglennrp 970303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 970403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 97052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 970603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 970703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 97082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 970903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 971003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 97112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 971203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 971303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 97142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 971503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 971603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 97172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 971803812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 971903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 972003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 972103812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 97222cc891a179d622dde7bbb8854138851e828bc6eaglennrp 972303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 972403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 97252cc891a179d622dde7bbb8854138851e828bc6eaglennrp 972603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 972703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 97282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 972903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 973003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 97312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9732a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 9733a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 97342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 973503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 973603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 97372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9738a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 9739a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 9740a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 974103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 974203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 97432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 974403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 974503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 97462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 974703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 974803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 97492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 975003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 9751ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 975226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 975326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 975403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 975526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 975626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 975726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Chunks to be excluded from the output PNG:"); 975826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 975926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 976026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 976126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 976226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 976326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 976426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 976526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 976626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 976726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 976826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 976926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 977026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 977126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 977226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 977326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 977426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 977526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 977626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 977726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 977826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 977926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 978026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 978126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 978226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 978326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 978426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 978526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 978626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 978726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 978826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 978926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 9790a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 9791a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9792a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 979326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 979426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 979526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 979626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 979726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 979826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 979926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 980026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 980126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 980226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 980326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9804b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 98053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9806b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp status=WriteOnePNGImage(mng_info,image_info,image); 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 98090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 98120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 98143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 98153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 98173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 98203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 98213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 98233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 98243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 98263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 98273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 982903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 98303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 98313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 98333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 98343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 98363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 98373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 98383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 98393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 98413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 98423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 98433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 98443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 98453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9846bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 98473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 98483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 98503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOneJNGImage()"); 98513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 98533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 98543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 98553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 98573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 98583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type==TrueColorMatteType; 98593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=10; 98603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=0; 98613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality; 98623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 98633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 98653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* if any pixels are transparent */ 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=MagickTrue; 98683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression==JPEGCompression) 98693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=8; 98703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 98750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 98773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info for opacity."); 98800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 98820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 98890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 98910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 98933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 98963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SeparateImageChannel(jpeg_image,OpacityChannel); 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=NegateImage(jpeg_image,MagickFalse); 98983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 98990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_quality >= 1000) 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality/1000; 99020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality; 99050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 99073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(jpeg_image,GrayscaleType); 99083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 99093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent, 99103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 99113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 99143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 99163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy TrueColorType && ImageIsGray(image)) 99183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 99193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 99213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 99233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale PNG blob */ 99283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 99293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 99303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 99333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 99343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 99373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 99403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(jpeg_image,"png:bit-depth-written"); 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale JPEG blob */ 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 99553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 9961f2faecf9facdbbb14fcba373365f9f691a9658e0cristy &image->exception); 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 99630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9966e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 9967e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 99683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 997903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 99804e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 99814e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 99853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 99903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 99913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 99923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9995f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 99960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9998f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 99990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 100020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 100050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 100080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 100110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 100140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 100170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 100200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 100264383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 100303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 100363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 100393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 100413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10043bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 100443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 100473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 100483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 10050bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 100513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1005203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 100533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 100593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 100613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 100623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 100703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 100723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1007303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 100740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10076e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10077e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10078e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 100790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10081e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10082e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10083e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 100840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 100863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 100873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 100913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 100963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1009703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1009835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 101013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 101043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 101053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 101073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 101083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 101133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1011403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 101153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1011635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1011735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 101183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1011935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1012035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 101213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1012235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1012335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1012535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1012635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 101273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && !mng_info->equal_physs) 101333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 101363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 101383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1013903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 101413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1014235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 101433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 101440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1014535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 101463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 101470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 101493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 101543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1015535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 101570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1015835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 101593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 101600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 101623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1016635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1016735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 101693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 101763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 101793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 101813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1018203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 10183bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 10184bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 101853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 101863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 101923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1019303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 101943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 101963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 101973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 101983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10206bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 102083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10209bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 102113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10215e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 10216f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 102173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 102193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 102203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 10221bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 102243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 102250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 102273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 10229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1023003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 102313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 102323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 102333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 102343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 102373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10240e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 10241e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 102423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 102473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 102493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10251e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 10252bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 102533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1025403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 102553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 102593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 102603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 102623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 102653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 102683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 102703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 102713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 102753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 102773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 102783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 102823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent,"%s", 102833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 102843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 102863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 102873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10290e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 10291e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 102923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 102943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 102950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality % 1000; 102973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 103013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 103030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,&image->exception); 103050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 103073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10309e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 10310e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 103113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10313e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 103143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 10317bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 103183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1031903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 103203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 103213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 103223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 103233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 103263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 103283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 103304383ec8c3c8811128f5a8a034d67c47db5e7e75acristy (void) png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 103313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 103333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 103343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1033503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 103363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 103373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 103383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 103403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 103420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 103453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 103483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 103493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 103533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 103563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 103573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 103593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 103613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 103633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 103653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 103673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 103693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 103713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 103723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 103733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 103743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 103753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 103763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1037721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1037803812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 103793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 103803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 103823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 103833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 103863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 103883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 103893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 103903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 103913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 103923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteJNGImage()"); 103933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 103943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 103953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 103963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 103993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1040173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 104023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 104033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 104063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 104083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 104093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,image_info,image); 104143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 104153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 104173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 104183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 104193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 104203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 104213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 104273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 104283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 104293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 104303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 104323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 104333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1043521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 104363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 104373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1043803812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1043903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1044003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 104413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 104423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 104433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 104453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 104463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 104473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 104483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 104503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 104513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 104523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 104533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 104553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 104563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 104573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10458bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 104593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 104603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 104623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 104633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 104653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 104663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 104673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10468bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 104693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10471bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 104723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 104733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10475d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 104763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 104773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 104803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 104833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 104853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 104863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 104873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 104883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteMNGImage()"); 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 104913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 104923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 104933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 104963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1049873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 104993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 105003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 105013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 105033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 105053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 105063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 105073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 105083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 105123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 105143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 105153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 105163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 105183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 105343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 105353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 105363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 105390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10541e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 105420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10550e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 105510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10553e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 105540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 105563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 105580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 105620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 105660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 105700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10573e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 105740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 105780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 105853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 105883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 105913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 105953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 105963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 105993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 106013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 106023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 106033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 106053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 106083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 106113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 106123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 106183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 106203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 106223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 106233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 106283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 106313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 106363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 106383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 106403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 106410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 106433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 106443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 106480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 106503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 106510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 106533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 106543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 106553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 106563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 106570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 106593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 106600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 106620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 106643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 106653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 106660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 106683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 106693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 106713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 106733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 106740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 106763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 106783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 106793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 106803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 106813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 106823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 106833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 106863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 106893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 106903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 106913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 106923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 106933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 106940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 106963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 106970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 106993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 107010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 107033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->x_resolution != next_image->next->x_resolution) || 107043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->y_resolution != next_image->next->y_resolution)) 107053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 107060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 107083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 107103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 107113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 107123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 107153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 107173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 107183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 107213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 107243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 107303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 107323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 107353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 107363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 107523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107580261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 10759d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 10760d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 10761d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp (void) ThrowMagickException(&image->exception, 10762d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp GetMagickModule(),CoderWarning, 10763d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 10764d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 10765d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 107714e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->ticks_per_second=(png_uint_32) (image->ticks_per_second/final_delay); 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 107740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 107770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 107800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 107833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 107843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 107893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 107933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1080103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 108024e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 108034e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 108113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 108140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 108230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 108323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 108350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 108440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 108513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 108553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 10862bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1086303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1087703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 108783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 108820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 108850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 108880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10892e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 10893e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 108940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 108963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10897e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 108980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10901e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 109043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 109053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1091703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 109180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10920e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10921e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10922e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 109230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10925e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10926e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10927e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 109280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 109303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 109313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 109403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1094303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1094435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 109453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 109463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 109503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 109583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1095903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 109603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1096135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1096235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1096435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1096535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 109663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1096735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1096835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1097035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1097135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 109753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && mng_info->equal_physs) 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1098403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 109850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1098835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 109900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1099135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 109923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 109930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 109953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 110003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1100135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 110023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 110030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1100435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 110053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 110060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 110083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 110113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1101235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1101335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 110143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 110153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 110193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 110253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 110273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 110283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 110293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 110313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1103203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 110343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 110353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 110403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 110423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 110443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1104503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 110463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 110473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 110483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 110523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 110533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 110543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11056bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 110573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 110583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 110613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 110633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 110643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1106503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 110660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11067bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 110683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red) & 0xff; 110703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green) & 0xff; 110713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue) & 0xff; 110723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 110753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 110763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 110843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 110873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11111bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1111703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 111180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11119bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 111363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 111373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11138bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 111393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 111403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 111413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 111433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 111453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 111463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 111503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 111513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 111533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 111543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 111553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 111573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1115803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 111593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 111623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 111643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 111653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 111663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 111673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 111723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 111743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 111783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 111793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 111813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 111843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 111863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1118703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 111893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 111983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1119903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 112114e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,write_info,image); 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 112372f2e514554975d510c88df54de98c6cdc1080f1cglennrp 11238b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 112392f2e514554975d510c88df54de98c6cdc1080f1cglennrp 112402f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 112412f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 112422f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 112432f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 112442f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 112452f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 112462f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 112472f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 112482f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 112492f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 112502f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 112512f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11252a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 112532f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 112542f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 112552f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 112562f2e514554975d510c88df54de98c6cdc1080f1cglennrp 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 112583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 112613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 112633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 112643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 112653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 112673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 112683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 112693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 112703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 112713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 112720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 112743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 112750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 112770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 112813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 112823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 112843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1128703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 112933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 112960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 112990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11302d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1130339992b4dd9b12ef752d55b8e402c069698851f72glennrp 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=image; 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 113090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 113113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1131339992b4dd9b12ef752d55b8e402c069698851f72glennrp 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11318d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 113193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11320